Sledgehammer 8" This is the ultimate weapon in flat glass warefare 8" SLEDGEHAMMER dual edge design for a long life of use this design is made to fit the Fusion 8 handle. Maximum water /slip extraction. What makes these products 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 all the way up to all commercial/residential or security films. The sledgehammer is a proprietary blend of materials that has the best wear resistance in any tool of its kind, the blades are extruded not cast molded, the Sledgehammer series of blades are 100%.