Makita 5-3/8" Carbide Tipped Aluminum Cutting Saw Blade. This blade has Ultra-thin kerf design for smoother cutting with less drag on the motor. It provides minimal material loss. It's Ideal for making cuts in aluminum pipe, tubing, sheet and extrusions. The Carbide-tipped tooth design is engineered to last 50X longer than abrasives and deliver burr-free cuts. It is perfectly tensioned, hardened steel plates for flat, true run. For use with Makita 5-3/8" LXT Cordless Metal Cutting Saw.