Universal Cutting Blade Diameter: 115mm (4-1/2") Bore: 22.2mm Kerf/Plate: 3.8/2.5 Teeth: 3TCT Max Speed: 15 000 RPM Designed for CUTTING Cement Sheet/ Board Softwoods Hardwoods Timber Planks The Universal Cutter Blade is made from hardened tempered steel with over-sized hardened tips. For use with Portable Saws and Circular Saws Less dust Quick cut Can be resharpened Unit of Measure: ea