Size: PP-310About the Ground Spike The Ground Spike is a custom-designed screwdriver, designed specifically to serve as the anchor for the Plamp Stake. It's high-strength steel shank and ergonomic handle allows you to penetrate even the toughest ground without damaging it. A slotted screw allows you to adjust how tightly the handle fits into the socket of the Extension Tube. Ground spike can be used by itself or in conjunction with the Extension Tube to add more height. What's IncludedPlamp Ground Spike (Qty 1) 10 Year Warranty on all products from