MTP TM Finger Type Carbide Grout Remover Rasp Quick Release Universal Fit Multi Tool Oscillating Multitool Saw Blade for Craftsman 20v Bolt-on Mm20 Rockwell Hyperlock Shopseies 12v Porter Cable Black and Decker Bosch GOP Dewalt Tool Free 1.75" Finger Type Triamgular Carbide rasp thinset/ mortar/ grout remover Special hole design good for quick release / fit such as Rockwell Hyperlock, Black and decker, High carbon steel w/ carbide Porter Cable, Black and Decker, Bosch OIS , Craftsman Bolt-on 20V Please go to Product description for detail compatible