uxcell Woodworking 1/4" x 3/8" Silver Tone Flush Trim Router Bit Tool 4 Pcs Product Name : Flush Trim Bit;Shank Diameter : 6.35mm / 1/4" Cutting Diameter : 9.52mm / 3/8";Cutting Depth : 25mm /1" Bearing Diameter : 9mm/0.35";Total Length : 65mm /2.6" Material : Steel, Carbide;Color : Silver Tone Net Weight : 80g;Package Content : 4 x Flush Trim Bit