MTP 14 Metal/wood Oscillating Multitool Quick Release Saw Blades Fit Fein Multimaster Porter Cable Black and Decker Genesis Bosch Dremel Craftsman Bolt-on Nextec Ridgid Ryobi Makita Milwaukee Dewalt Rockwell Hyperlock Chicago Stainley Skil Multi Tool 14 Metal/Wood Saw Blades, 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