Woodworker 1/2 Inch x 2 Inch Dual Flutes Cove Core Box Router Bit Product Name : Cove Box Bit;Standard : 1/2" x 2";Shank Diameter : 12.7mm / 1/2" Radius : 25.4mm / 1";Cutting Diameter(Approx) (D) : 50.8mm / 2" Cutting Thickness (H) : 29.5mm / 1 5/32";Total Length : 70mm / 2.8" Material : Metal;Color : Silver Tone,Blue Total Weight : 181g;Package Content : 1 x Cove BoxBit1 x Plastic Case