MTP 12 Japan Bi-metal Fine Quick Release Universal Fit Multi Tool Oscillating Multitool Saw Blade for Craftsman Bolt-on Mm20 Rockwell Hyperlock Shopseies 12v Universal Fit Porter Cable Black & Decker Bosch Fein Multimaster Dewalt Makita Ridgid 4-Standard Flush Cut Blade 4-Nail Eater Bi-metal Blade 4-Japan tooth wood blade Fit Most Quick Release system as well as old Hex Screw system, Manufacture by MTP 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