One Fit, 1-3/8", Titanium, Enhanced Carbide Tooth Oscillating Saw Blade, Multi-Tool Accessory Is Ideal For Hard Material Applications Such As Steel, Deck Screws, Framing Nails, Flushing Cutting Nails & Rusted Bolts, Additional ApplicationsInclude Tile, Cement Backer Board, Plaster, Not Designed For Woodworking Projects, Fits Milwaukee, Fein, Bosch, Makita,Dewalt, Rockwell, Porter Cable & More Oscillating Tools.