Trend Professional Router Cutter 37/12X1/2TC - Tenon Router Cutter 50.8mm Diameter x 20mm Cut Key Features: Four fluted cutter for routing tenons with a clean finish on the shoulder Tungsten Carbide Tipped for use on timber and abrasive man-made boards Cutter has four cutting edges with two down-shear blades for the shoulder and two up-shear for the face of the tenon Ideal for tenoning or where a large area needs to be recessed or surfaced Improved finish on interlocking grain Specification: D: 2 inches (imperial diameter) D: 50.8 mm (metric diameter) C: 20 mm (cut length) OL: 68 mm (overall length) A: 90 degrees (angle) Shank Diameter: 1/2 inch