MTP Tm 4 Japan Fine Wood Blade Quick Release Universal Fit Multi Tool Oscillating Multitool Saw Blade for Craftsman 20v Bolt-on Mm20 Rockwell Hyperlock Shopseies Fein Multimaster Porter Cable Black and Decker Bosch Milwaukee Makita Chicago Blue Hawk 4 pc blades set (fine , course ), Manufacturer: MTP 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