IVY Classic 28568 Assorted U-Shank Jig Saw Blade Set, Cuts Metal and Wood, Bi-Metal and HSS, 5/Card Assorted blades cut metal and wood, Cobalt Advantedge (Registered Trademark) Bi-Metal and High-Carbon Steel blades Bi-Metal and High-Carbon Steel precision milled shatterproof teeth Fits Black & Decker, Dewalt, Ryobi, Craftsman, Makita, Skil, Milwaukee and Porter Cable Jig Saws Contains: IVY Classic 28540, 28573, 28544, 28555 and 28557 jig saw blades