16 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 & Decker Dewalt Ridgid Ryobi Bosch Tool Free System 6-Fine Cut Blade 4-Nail Eater Bi-metal Blade 6-Japan tooth blade 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