MTP 3-3/8-inch 10mm Arbor Carbide Tip Circular Saw Blade fit Craftsman Trak Cut Pack of 1 3-3/8 Size: 3-3/8 - Arbor size: 10mm TCT Tungstan Carbide Tip Fits with Sears Craftsman Trak-cut Saw,( not fit rockwell) Good for cutting wood,plastic , aluminium and composites