This is the Sledgehammer plus extractor blade, it is designed to fit almost any squeegee handle on the market! This is the 5" long sledgehammer replacement blade. Designed to be durable and offer maximum water /slip extraction. This is the ultimate EXTRACTOR squeegee blade. It is classified as a hard squeegee range @ 93 Durometer. What makes this product unique is the amount of mounting solution that it is capable of moving with minimal effort, anything from 1 ply dyed film to Nano Ceramic Fim This blade even works on Flat Glass Film, Dusted Crystal, and blackout films. People are reporting these blades are lasting on upwards of 600 vehicles. The sledgehammer is a proprietary blend of materials that has the best wear resistance in any tool of its kind, the blades are made from a special material and are 100% MADE IN THE USA by gasket pro tools. This is a 93 durometer shore A construction blade.When MAXIMUM EXTRACTION counts, you can count on the Sledgehammer line of blades. Satisfaction guaranteed.