Woodworking 1/4" Round Shank 3/8" Cutting Dia Tabe Core Box Router Bit Product Name : Core Box Router Bit;Material : Steel, Carbide;Standard : 1/4" x 3/8" Shank Diameter : 6.35mm / 1/4";Cutting Diameter : 9.52mm / 3/8" Cutting Radius : 4.76mm / 3/16";Cutting Depth : 15.5mm / 5/8" Overall Length : 55mm / 2.2";Color : Silver Tone Weight : 18g;Package Content : 1 x Core Box Router Bit