ROCKWELL Tool Blade, Applicable Materials: Drywall, Plastic, Wood, 1-1/8 in Width, Suitable for: BLACK & DECKER, Bosch, CHANNELLOCK, Chicago Electric, Craftsman, Dremel, Fein, Genesis, Makita, MasterForce, MILWAUKEE, Performax, Porter Cable, Ryobi, Shop Series, Skil, Tool Shop, Worx, Includes: Free Spacer for Bosch and Dremel and Universal Upgrade Ring for Original Sonicrafter Hex Interface Models