MTP Pack of 3 Titanium Bi Metal Metal Quick Release Universal Fit Multi Tool Oscillating Multitool Saw Blade for Craftsman 20v Bolt-on Mm20 Rockwell Hyperlock Shopseies 12v Universal Fit Porter Cable Dewalt Black and Decker Bosch GOP Tool Free System Pack of 3 Titanium E cut Oscillatin g Multi Tool Saw Blade, it last 3 times longer Fit Most Quick Release system as well as old Hex Screw system fit in Porter Cable, Rockwell Hyperlock, Bosch , Black and decker, Craftsman Bolt-on 20V Please check product description for model detail Not fit in Dremel Quick release system MM40 MM45