• Tungsten carbide steel blade
• Fits models RTY1 and RTY/DX
• Package includes 5 blades, storage case
OLFA Rotary Blade Refill. These 28mm replacement blades are for Olfa's 28MM Cutter (not included). Five blades come in a plastic container that you can use later for storage. Made from high quality tungsten steel for durability and superior edge retention. Imported.