ITEM NAME:12Pcs Professional Shank Tungsten Carbide Router Bit Cutter w/ Wooden Case Description: - This set of router bits is designed to help make the most of your woodcutting projects. - Each bit is constructed with a C2 tungsten car.Dove Tail Bit: 12.7mm. Straight Bit: 6mm. Straight Bit: 12mm. Straight Bit: 16mm. 90Â ° "V" Grooving Bit: 12.7mm. 45Â ° Chamfer Bit: 32mm. Flush Trim Bit: 12.7mm. Round Over Bit: R6.3mm.