A bag of 100 of the "one inch giant" spike. This spike is a fat spike standing about one inch tall. Each screwback spike comes with a large screw for fastening onto clothing, bracelets or anything. Screwback Spike description height: 1 (one) inch tall (25 mm) base: 9/16 inch (15 mm) color: silver base metal: steel finish (plating): nickle shape: giant round tree-like spike screw type: metric- 6/.1coarse, 1/2" length bag size: bag of one-hundred