2 Pcs Woodworking Carpenter 1/2" x 1 1/4" Core Box Router Bit Product Name : Core Box Router Bit;Material : Steel, Carbide;Standard : 1/2" x 1 1/4" Shank Diameter : 12.7mm / 1/2";Cutting Diameter : 31.8mm / 1 1/4" Cutting Radius : 15.9mm / 5/8";Cutting Depth : 20mm / 13/16" Overall Length : 47mm / 1.9";Color : Silver Tone Weight : 150g;Package Content : 2 x Core Box Router Bit