8001A Our general duty eight inch rivet buster is configured with a "D" grip, inside trigger, and grooved barrel spring lock retainer as standard. This provides ease of handling and ease of steel changing for a variety of tough demolition and removal projects. 9001 and 9001A Whether your job involves heavy duty foundry applications, bridge deck work, rivet removal, tank cutting and ripping, or general brick or concrete demolition, the 9001 provides an ideal solution to handle your toughest job. 11001 and 11001A