Edwards 120 Ton Ironworker 230V 3 Phase with PowerLink System IW120 3P230 AC900 ETL Certified Carbide Drill Bits and Accessories Sold as a matched pair Sold as a matched pair both knives in the pair are ground to the same profile Bevel Angle this precise geometry delivers clean shearing cuts with reduced tear out on both solid wood and engineered sheet materials such as MDF and chipboard resulting in precise punching and shearing with minimal distortion and extended tooling life Angle Shear blades have 2 corner radii for both thin and thick material and are made of precision tool steel with 2 cutting edges for extended life