5 Japan / Bi-metal/ Fine Quick Release Universal Fit Multi Tool Oscillating Multitool Saw Blade for Craftsman 20v Bolt-on Mm20 Rockwell Hyperlock Shopseies 12v Universal Fit Porter Cable Black and Decker Bosch GOP Dewalt Fein Multimaster Makita Ryobi 1-Fine Cut Blade 1-Nail Eater Bi-metal Blade 1-Japan tooth blade 1-wide fine, 1-Wide Japanese 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