Circular saw blade, primary saw application Metal, Carbide tip material, Blade type Metal cutting, blade diameter. 7-1/4 in., number of teeth 56, shaft hole 5/8 in., Kerf 0.102 in., Knockout diamond yes, ground tooth TCG, hook angle 2.0 degrees, max. RPM 5600, plate thickness 0.087 in., metal cutting application, for use with circular saw