uxcell Woodworking 1/4 Inch x 7/8 Inch 2 Flutes Cove Box Router Bit Cutter Product Name : Cove Box Router Bit;Material : Metal;Color : Silver Tone, Blue Standard Size : 1/4" x7/8";Shank Diameter : 6mm / 1/4" Cutting Diameter : 22.2mm / 7/8";Cutting Radius : 11.1mm /7/16" Cutting Depth : 13.5mm / 17/32";Overall Length : 45mm / 1.77" Weight : 61g;Package Content : 1 x Cove Box Router Bit1 x Plastic Case