Buy RIDGID Products online in United States

Ridgid 36163 Micro CD-100 Combustible Gas Detector, N/A

Our combustible gas detector supply consists of small portable devices that can easily be carried to different areas in or around buildings for testing. Take a look at the features for Ridgid Combustible Gas Detector. Features: Tri Mode Detection for Visual, Audible or Vibration.

ridgid 50 ft. 12/3 premium cold weather cord with power block adapter

50 Foot Heavy Duty Contractor Grade EXTREME WEATHER TRI-TAP CORD.

RIDGID 92170 Replacement Blade,For 4A517

Dimensions (Overall): 6.9 inches (L), .6 inches (H) x 4.0 inches (W) x 6.9 inches (D)Weight: .2 poundsElectronics Condition: NewWarranty: 1 Year Limited Warranty. To obtain a copy of the manufacturer's or supplier's warranty for this item prior to purchasing the item, & bull; This item ships within 2 business days. & bull; The brand for this item is RIDGID. & bull; This item has a 1 year limited warranty. & bull; This item has a package quantity of 1. & bull; This is a brand new, unopened item.Replacement Blade, For Use With Mfr. Model Number 138/91125, For Use With Mfr. No. 138/91125, Impact Rated No

RIDGID 14213 Bolt Cutter,Steel,15 In. L,Steel

Dimensions (Overall): 16.2 inches (L), 1.6 inches (H) x 6.1 inches (W) x 16.2 inches (D)Weight: 2.63 poundsElectronics Condition: NewWarranty: 1 Year Limited Warranty. To obtain a copy of the manufacturer's or supplier's warranty for this item prior to purchasing the item, & bull; This item ships within 2 business days. & bull; The brand for this item is RIDGID. & bull; This item has a 1 year limited warranty. & bull; This item has a package quantity of 1. & bull; This is a brand new, unopened item.Bolt Cutter, Steel, Overall Length 15 in, Soft and Med./Hard-Brinnell 300/Rockwell C31 5/16 in, Hard Materials up to Brinnell 455/Rockwell C48 3/16 in, Cutting Action Center Cut, Jaw Material Steel, Grip Style Rubber Grip

RIDGID 92467 Wheel And Cabinet Stand

Dimensions (Overall): 30.2 inches (L), 37.7 inches (H) x 22.9 inches (W) x 30.2 inches (D)Weight: 137 poundsElectronics Condition: NewWarranty: 1 Year Limited Warranty. To obtain a copy of the manufacturer's or supplier's warranty for this item prior to purchasing the item, & bull; This item ships within 2 business days. & bull; The brand for this item is RIDGID. & bull; This item has a 1 year limited warranty. & bull; This item has a package quantity of 1. & bull; This is a brand new, unopened item.Pipe Threading Machine Stands, Threading Machine Stand, Threading Stand Type Cart, For Use With Mfr. Model Number 3FE64, 3RY43, 4CW39, 5A191, Overall Height 32 in, Overall Width 50 in, Overall Depth 25 in, Stand/Cart Capacity 400 lb, Number of Legs 2, Max. Leg Spread 21 in, Wheel Type Rubber, Wheel Dia. 16 in, Material Steel Frame and Cabinet, Features Tool Cabinet, Wheels For Easy Transport, Pipe Threading Machine Stand

RIDGID 37840 Pipe Thread Die,1 1/4In,Alloy,4 Pc

Dimensions (Overall): 5.5 inches (L), .7 inches (H) x 3.6 inches (W) x 5.5 inches (D)Weight: .25 poundsElectronics Condition: NewWarranty: 1 Year Limited Warranty. To obtain a copy of the manufacturer's or supplier's warranty for this item prior to purchasing the item, & bull; This item ships within 2 business days. & bull; The brand for this item is RIDGID. & bull; This item has a 1 year limited warranty. & bull; This item has a package quantity of 1. & bull; This is a brand new, unopened item.Pipe Threading Replacement Dies, Pipe Dies Set for Manual Pipe Threaders, For Nominal Pipe Size 1-1/4 in, Threads per Inch 11 1/2, Die Material/Type Alloy Steel, Pipe Thread Type NPT, Thread Direction Right Hand, For Use With RIDGID Model# 00-R, 11-R, 12-R and 0-R Ratchet Threader Die Heads, 30A and 31A 3-way Pipe Threaders, Number of Pieces in Set 4, Replacement Pipe Die

RIDGID 41855 Power Drive Threading Machine,1/8 to 2In

Dimensions (Overall): 20.2 inches (L), 19.1 inches (H) x 18.0 inches (W) x 20.2 inches (D)Weight: 97 poundsElectronics Condition: NewWarranty: 1 Year Limited Warranty. To obtain a copy of the manufacturer's or supplier's warranty for this item prior to purchasing the item, & bull; This item ships within 2 business days. & bull; The brand for this item is RIDGID. & bull; This item has a 1 year limited warranty. & bull; This item has a package quantity of 1. & bull; This is a brand new, unopened item.Pipe Threading and Cutting Machines, Pipe Threading Machine, Bolt Size 1/4 in to 2 in, For Nominal Pipe Size 1/8 in to 2 in, Rod Size 1/4 in to 2 in, 1/2 hp HP, Reversing Yes, Overall Length 19 in, Overall Width 15 1/2 in, Corded/Cordless Corded, Pipe Equipment Series 300, Pipe Threading Machine Dies Included No Dies Included, Pipe Threading Machine Die Heads Included No Die Heads Included, Threading Machine Type Operated on Stand, Voltage 115 V, Phase 1, Amps 15 A, Hz 25 to 60, No. of Speeds 1

Ridgid ZRR7111 8 Amp 0 - 850 RPM Variable Speed Reversible Heavy-Duty 1/2 in. Corded Drill

Dimensions (Overall): 14.25 inches (L), 12.04 inches (H) x 5.39 inches (W)Weight: 7.5 poundsBattery Voltage: 120.0 voltsPower Source: ElectricBattery: 0 No Battery UsedWarranty: Multiple Warranties and/or Time Frames Apply. To obtain a copy of the manufacturer's or supplier's warranty for this item prior to purchasing the item, & bull; 8 Amp, 1/2 in. HD VSR Drill - ZRR7111 & bull; Auxiliary Handle Assembly & bull; Chuck Key & bull; Chuck Key Holder & bull; Manufacturer RefurbishedManufacturer Refurbished This Manufacturer Refurbished product is classified as Grade A. It has been refurbished directly by the manufacturer, tested and certified to work and look like new, with minimal to no signs of wear, and is being sold by a specialized third-party seller approved by Target. The product is backed by a minimum 90-day warranty, and may arrive in a generic brown or white box. Accessories may be generic and not directly from the manufacturer. Buy with confidence! Our Reconditioned items include all necessary parts and are guaranteed to function like new, backed by our 120 Day Money Back Guarantee. Please note however that reconditioned units received from the manufacturer may or may not include accessories shown with this listing. All metal gear case for high strength and added durability Heavy-duty 1/2 in. keyed chuck with all metal design for added durability and positive bit retention 360 degrees auxiliary handle assembly can be repositioned or removed with ease Ergonomic two finger trigger features full range speed control and molded soft grip design Durable 8 Amp motor with hardened steel gears built to exact specifications for extended tool longevity This item may ship in the original manufacturer's packaging..

Ridgid 836 5 in. Capacity 36 in. Aluminum Straight Pipe Wrench

Dimensions (Overall): 36.0 inches (L), 6.0 inches (W)Weight: 11.26 poundsWarranty: Multiple Warranties and/or Time Frames Apply. To obtain a copy of the manufacturer's or supplier's warranty for this item prior to purchasing the item, & bull; 5 in. Capacity 36 in. Aluminum Straight Pipe WrencHeavy-duty design provides maximum durability and professional-grade reliability. Full-floating hook jaw adjusts smoothly. Self-cleaning threads minimize the potential for tool failure. Hook and heel may be easily replaced. Full-floating hook jaw Self-cleaning threads Heavy-duty design. Replaceable hook and heel.

Ridgid 64383 RBC-30 120V Lithium-Ion Corded Charger for 18V 2.5 Ah and 5 Ah Batteries

Dimensions (Overall): 11.0 inches (L), 6.5 inches (H) x 10.5 inches (W)Weight: 3.0 poundsAssembly Details: No Assembly RequiredPackage Quantity: 1Battery: 0 Non-Universal Lithium Ion, No Battery UsedWarranty: Multiple Warranties and/or Time Frames Apply. To obtain a copy of the manufacturer's or supplier's warranty for this item prior to purchasing the item, & bull; (1) 120V Lithium-Ion Charger - RBC-30RBC-30 120V Lithium-Ion Charger for 18V 2.5 Ah and 5 Ah Batteries - 64383 Built-in LED indicators for battery charge status and temperature monitoring Passive convection cooling (no fan) design to prevent over-heating Maximum charge time for 18V Lithium-Ion 2.5 Ah is 39 minutes Maximum charge time for 18V Lithium-Ion 5 Ah is 82 minutes Car charging capability with DC charging cord.

Ridgid PC-1250 Single Stroke Plastic Pipe and Tubing Cutter (Red)

Dimensions (Overall): 13.0 inches (L), 1.15 inches (H) x 5.75 inches (W)Weight: .45 poundsWarranty: Multiple Warranties and/or Time Frames Apply. To obtain a copy of the manufacturer's or supplier's warranty for this item prior to purchasing the item, & bull; PC-1250 Single Stroke Plastic Pipe and Tubing CuttNo ratcheting or twisting required. Quick change, reversible blade equals two times blade life. Spring loaded handles for faster positioning. No ratcheting or twisting required. Spring loaded handles for faster positioning Quick change, reversible blade equals two times blade life.

Ridgid ZRR350PNF 3-1/2 in. Full-Size Palm Nailer

Dimensions (Overall): 4.0 inches (L), 7.5 inches (H) x 4.75 inches (W)Weight: 3.5 poundsBattery: 0 No Battery UsedWarranty: Multiple Warranties and/or Time Frames Apply. To obtain a copy of the manufacturer's or supplier's warranty for this item prior to purchasing the item, & bull; Manufacturer RefurbishedManufacturer Refurbished This Manufacturer Refurbished product is classified as Grade A. It has been refurbished directly by the manufacturer, tested and certified to work and look like new, with minimal to no signs of wear, and is being sold by a specialized third-party seller approved by Target. The product is backed by a minimum 90-day warranty, and may arrive in a generic brown or white box. Accessories may be generic and not directly from the manufacturer. Tool-free depth-of-drive adjustment-sets nails to desired depth and stops driving when desired depth is met to protect work surface Size palm nailer-drives nails up to 2X faster and with less vibration than mini palm nailers Aluminum main housing with zinc top cap-provides durability and optimal weight for reducing fatigue while driving nails without vibration Self-cleaning inlet filter-keeps debris out and extends tool life Hex grip micro texture-enhanced micro-texture for secure grip and maximum user comfort Nail channel magnet-holds nail securely for accurate fastener placement Left or right hand adjustable hand strap-reduces user fatigue and can be adjusted for left or right hand operation Swivel quick connect-allows hose to hang with gravity and improves tool balance.

Ridgid ZRR4112 15 Amp 10 in. Dual Bevel Compound Miter Saw

Dimensions (Overall): 23.86 inches (L), 15.87 inches (H) x 18.03 inches (W)Weight: 36.89 poundsBattery Voltage: 120.0 voltsPower Source: ElectricBattery: 0 No Battery UsedWarranty: Multiple Warranties and/or Time Frames Apply. To obtain a copy of the manufacturer's or supplier's warranty for this item prior to purchasing the item, & bull; 15 Amp 10 in. Dual Bevel Compound Miter Saw - ZRR4 & bull; Manufacturer RefurbishedManufacturer Refurbished This Manufacturer Refurbished product is classified as Grade A. It has been refurbished directly by the manufacturer, tested and certified to work and look like new, with minimal to no signs of wear, and is being sold by a specialized third-party seller approved by Target. The product is backed by a minimum 90-day warranty, and may arrive in a generic brown or white box. Accessories may be generic and not directly from the manufacturer. Buy with confidence! Our Reconditioned items include all necessary parts and are guaranteed to function like new, backed by our 120 Day money back guarantee. Please note however that reconditioned units received from the manufacturer may or may not include accessories shown with this listing. Introducing the new RIDGID 15 Amp 10 in. Dual Bevel Compound Miter Saw. Its dual bevel capability and adjustable miter table make it perfect for a wide range of cuts and applications. Its powerful motor paired with best in class features make it ideal to have on any job-site. 15 amp motor powers through the most difficult cuts Adjustable laser guide is internally powered and assists operator to accurately align blade with the cut line Bevel crown molding stops at most common angles 0, 33.9, 45, and 48 degrees left and right Extended 0 to 50 degree miter capacities with positive stops to accommodate a wide variety of cuts Miter crown molding stops at the most common crown molding angles 0, 15, 22.5, 31.6 and 45 degrees left and right Dual bevel 0 to 48 degrees left and right with crown molding stops so that you can move the saw head instead of the material Sliding miter fences provide support for wider material; adjusts for bevel cuts Quick-release miter lock provides user with easy access to make quick angle adjustments Dust port provides connection to standard dust collection systems to help keep work area clean Ergonomic D-handle with innovative hex grip for a secure grip and maximum control Zero clearance throat plate gives material maximum cut-through support Work clamp securely holds material in place.

Ridgid ZRR350RHF 3-1/2 in. Round-Head Framing Nailer

Dimensions (Overall): 24.0 inches (L), 6.0 inches (H) x 14.0 inches (W)Weight: 10.5 poundsPower Source: Air-PoweredBattery: 0 No Battery UsedWarranty: Multiple Warranties and/or Time Frames Apply. To obtain a copy of the manufacturer's or supplier's warranty for this item prior to purchasing the item, & bull; Nailer - ZRR350RHF & bull; Manufacturer RefurbishedManufacturer Refurbished This Manufacturer Refurbished product is classified as Grade A. It has been refurbished directly by the manufacturer, tested and certified to work and look like new, with minimal to no signs of wear, and is being sold by a specialized third-party seller approved by Target. The product is backed by a minimum 90-day warranty, and may arrive in a generic brown or white box. Accessories may be generic and not directly from the manufacturer. 21 degree Round-Head Framing Nailer Magnesium metal housing provides lightweight and durable construction Tool-free selectable trigger lets you conveniently and quickly change between contact and sequential firing modes Rear-loading magazine Drive 3-1/2 in. by 0.148 in. framing nails (16d common) Exhaust diffuser with muffler automatically directs exhaust away from user Tool-free jam clearing door No-mar pad.

Ridgid 2002 2-In-1 One Stop Wrench

Dimensions (Overall): .75 inches (L), 8.0 inches (H) x 3.0 inches (W)Weight: .5 poundsWarranty: Multiple Warranties and/or Time Frames Apply. To obtain a copy of the manufacturer's or supplier's warranty for this item prior to purchasing the item, & bull; 2-In-1 One Stop Wrench - 27023The One-Stop Wrench is a compound 2-in-1 tool that makes plumbing work easier than ever before. The open-end provides both a 9/16 in. and a 15/16 in. surface wrench, while the unique open box-end is designed for 3/8 in. line nuts. The One-Stop provides all the exact sizes you need to install angle stops and compression fittings The One Stop Wrench is two wrenches in one It provides the exact size wrench you need to install angle stops and compression couplings.

Ridgid ZRR8606B GEN5X 18V Lithium-Ion 5 in. Random Orbit Sander (Tool Only)

Dimensions (Overall): 12.3 inches (L), 5.4 inches (H) x 8.0 inches (W)Weight: 3.45 poundsBattery Voltage: 18.0 voltsPower Source: BatteryBattery: 1 Non-Universal Lithium Ion, Required, Not IncludedWarranty: Multiple Warranties and/or Time Frames Apply. To obtain a copy of the manufacturer's or supplier's warranty for this item prior to purchasing the item, & bull; GEN5X 18V Cordless Lithium-Ion 5 in. Random Orbit & bull; Tool Only - Battery & Charger Sold SeparatelyBuy with confidence! Our Reconditioned items include all necessary parts and are guaranteed to function like new, backed by our 60 day money back guarantee. Please note however that reconditioned units received from the manufacturer may or may not include accessories shown with this listing. GEN5X permanent magnet motor maintains speed and power under load for corded-like performance AirGuard technology collects up to 90% of dust for a cleaner work surface Extended run-times of over 40 minutes with 4.0 Ah Hyper Lithium-Ion battery packs (sold separately) Variable-speed dial adjusts sander speed to various applications Dust-sealed switch increases longevity of the tool Soft start and brake pad help prevent gouges on work surfaces Hex Grip with micro texture padding provides improved grip and comfort during use On-board vacuum adaptor fits 1-1/4 in. or 2-1/2 in. standard vacuum hose Quick-release dust bag for easy bag emptying 100% compatible with every generation of RIDGID 18V battery packs (sold separately).

Ridgid ZRR250SFE 16-Gauge 2-1/2 in. Straight Finish Nailer

Dimensions (Overall): 13.25 inches (L), 10.75 inches (H) x 3.33 inches (W) x 13.25 inches (D)Weight: 6.1 poundsPower Source: Air-PoweredBattery: 0 No Battery UsedWarranty: Multiple Warranties and/or Time Frames Apply. To obtain a copy of the manufacturer's or supplier's warranty for this item prior to purchasing the item, & bull; 16-Gauge 2-1/2 in. Straight Finish Nailer - ZRR250 & bull; Manufacturer RefurbishedManufacturer Refurbished This Manufacturer Refurbished product is classified as Grade A. It has been refurbished directly by the manufacturer, tested and certified to work and look like new, with minimal to no signs of wear, and is being sold by a specialized third-party seller approved by Target. The product is backed by a minimum 90-day warranty, and may arrive in a generic brown or white box. Accessories may be generic and not directly from the manufacturer. Buy with confidence! Our Reconditioned items include all necessary parts and are guaranteed to function like new, backed by our 120 Day Money Back Guarantee. Please note however that reconditioned units received from the manufacturer may or may not include accessories shown with this listing. RIDGID introduces the next generation of finish nailer performance. The 16-Gauge 2-1/2 in. Straight Finish Nailer comes standard with all the great Fasten Edge Technology features that made RIDGID nailers stand out in the past, but now also includes new features to give the user an extra edge on any jobsite. The Straight Finish Nailer now boasts new Hex Grip over molding, oil-less motor, ACCU-Drive tip design, and No-Mar Pads. Oil-less motor eliminates daily maintenance and oil splattering on the work surface Dry-fire lockout extends motor life and prevents marring work surfaces Tool-free jam access for easy access to clear jams Hex grip enhanced micro-texture for secure grip and maximum user comfort Powerful motor is capable of driving 2-1/2 in. finish nails into solid oak This item may ship in the original manufacturer's packaging.

Ridgid ZRR350CHE 3-1/2 in. Clipped Head Framing Nailer

Dimensions (Overall): 24.2 inches (L), 6.5 inches (H) x 14.5 inches (W)Weight: 9.8 poundsPower Source: Air-PoweredBattery: 0 No Battery UsedWarranty: Multiple Warranties and/or Time Frames Apply. To obtain a copy of the manufacturer's or supplier's warranty for this item prior to purchasing the item, & bull; 3-1/2 in. Clipped Head Framing Nailer - ZRR350CHE & bull; Wrench & bull; Eye Protection & bull; Oil & bull; Manufacturer RefurbishedManufacturer Refurbished This Manufacturer Refurbished product is classified as Grade A. It has been refurbished directly by the manufacturer, tested and certified to work and look like new, with minimal to no signs of wear, and is being sold by a specialized third-party seller approved by Target. The product is backed by a minimum 90-day warranty, and may arrive in a generic brown or white box. Accessories may be generic and not directly from the manufacturer. Buy with confidence! Our Reconditioned items include all necessary parts and are guaranteed to function like new, backed by our 120 Day Money Back Guarantee. Please note however that reconditioned units received from the manufacturer may or may not include accessories shown with this listing. Powerful motor is able to drive 3-1/2 in. long, 0.131 in. diameter nails FullStrike Drive System provides maximum air power in a compact size Dry-fire lockout feature extends motor life and prevents missing nails Jam-clearing mechanism for easy access to clear jams Hex grip that's innovative micro texture for secure grip and maximum user comfort Rear loading magazine with by-pass pusher for quick2-step reloading Aggressive toe-nailing claw that reduces slipping during angled nailing No-mar pad that keeps work surface clean for tool marks.

Ridgid ZRR32104 15 Amp THRUCOOL 7-1/4 in. Electric Worm Drive Circular Saw

Dimensions (Overall): 20.94 inches (L), 8.5 inches (H) x 8.31 inches (W)Weight: 15.1 poundsBattery Voltage: 120.0 voltsPower Source: ElectricBattery: 0 No Battery UsedWarranty: Multiple Warranties and/or Time Frames Apply. To obtain a copy of the manufacturer's or supplier's warranty for this item prior to purchasing the item, & bull; 15 Amp THRUCOOL 7-1/4 in. Electric Worm Drive Circ & bull; Manufacturer RefurbishedManufacturer Refurbished This Manufacturer Refurbished product is classified as Grade A. It has been refurbished directly by the manufacturer, tested and certified to work and look like new, with minimal to no signs of wear, and is being sold by a specialized third-party seller approved by Target. The product is backed by a minimum 90-day warranty, and may arrive in a generic brown or white box. Accessories may be generic and not directly from the manufacturer. Buy with confidence! Our Reconditioned items include all necessary parts and are guaranteed to function like new, backed by our 60 day money back guarantee. Please note however that reconditioned units received from the manufacturer may or may not include accessories shown with this listing. Buy with confidence! Our Reconditioned items include all necessary parts and are guaranteed to function like new, backed by our 60 day money back guarantee. Please note however that reconditioned units received from the manufacturer may or may not include accessories shown with this listing. The Ridgid THRUCOOL 7-1/4 in. Worm Drive Saw has upgraded to a THRUCOOL motor to optimize performance. THRUCOOL motor technology allows air to flow through the center of the motor and out the sides for more efficient cooling. This saw uses top of the line technology to improve speed and performance while also keeping the saw light weight and compact. 15 amp motor delivers full power in a lighter, more compact size Visible oil sight to quickly check oil for easy maintenance 0-degree to 56 degree bevel detent system positive stops at common cut angles for quick adjustments Sky hook integrated rafter hook for easy storage Cast aluminum base engineered for improved durability on the jobsite Protected cord relief durable cover extends cord life.

Ridgid ZRR3030 4 Amp One-Handed Fuego Reciprocating Saw

Weight: 5.25 poundsBattery Voltage: 120.0 voltsBattery: 0 No Battery UsedWarranty: Multiple Warranties and/or Time Frames Apply. To obtain a copy of the manufacturer's or supplier's warranty for this item prior to purchasing the item, & bull; 4 Amp, One-Handed Fuego Reciprocating Saw - ZRR303 & bull; Manufacturer RefurbishedManufacturer Refurbished This Manufacturer Refurbished product is classified as Grade A. It has been refurbished directly by the manufacturer, tested and certified to work and look like new, with minimal to no signs of wear, and is being sold by a specialized third-party seller approved by Target. The product is backed by a minimum 90-day warranty, and may arrive in a generic brown or white box. Accessories may be generic and not directly from the manufacturer. Buy with confidence! Our Reconditioned items include all necessary parts and are guaranteed to function like new, backed by our 120 Day Money Back Guarantee. Please note however that reconditioned units received from the manufacturer may or may not include accessories shown with this listing. Tool-free blade changes makes changing blades faster and easier One-handed ergonomic grip for maximum comfort for extended use LED light for illuminating dark work spaces Variable speed two-finger trigger for maximum speed control Compact size for use in confined areas Lighted plug to easily identify live tools This item may ship in the original manufacturer's packaging..

Ridgid 104 15/16 in. Capacity Close Quarters Tubing Cutter

Dimensions (Overall): 1.37 inches (L), 6.0 inches (H) x 2.5 inches (W)Weight: .73 poundsWarranty: Multiple Warranties and/or Time Frames Apply. To obtain a copy of the manufacturer's or supplier's warranty for this item prior to purchasing the item, & bull; 104 15/16 in. Capacity Close Quarters Tubing CutteDesigned for use in restricted spaces on small diameter, hard and soft copper, aluminum, brass, and plastic tubing. Strong, lightweight slide and wheel housing, large knurled feed screw knob gives easy control of cutting pressure for clean cuts. The model 117 and 118 have all of the features on the No. 101 plus a self-feeding cutter wheel that automatically cuts after tightening the knob only once. The model 117 features a special knob for easier tightening of the feedscrew. Designed for use in restricted spaces on small diameter, hard and soft copper, aluminum, brass, and plastic tubing. Strong, lightweight slide and wheel housing, large knurled feed screw knob gives easy control of cutting pressure for clean cuts The model 117 and 118 have all of the features on the No. 101 plus a self-feeding cutter wheel that automatically cuts after tightening the knob only once The model 117 features a special knob for easier tightening of the feedscrew.