The Makita B-33532 Specialized Blade has been designed to extend battery life and run time when used with cordless saws. The precision honed tungsten teeth provide a fine cut in wood. Ultra-thin, perfectly tensioned steel plates enable a true run. Specifications: Blade Diameter: 136mm. Bore Size (Arbor Diameter): 20mm. Kerf Dimension: 1.5mm. Tooth Quantity: 16. Rake Angle: 20°.