7-1/4", 40 Teeth Steel Combination Saw Blade, 5/8" Round Diamond Knock Out Arbor, Sharpened Teeth, Thicker Body, Coated Blade Prevents Rust, Application For Fast & Smooth Rips, Cross Cuts, & Miters In Hardwoods, Softwoods, Plywood, & Chip Board, All Purpose Blade, Eliminates Blade Changing When Working With Different Materials & Applications.