General description TCT Router Bit Set featuring 8mm cutting edges and robust, hardened steel shanks. This comprehensive 12-piece set is designed for precision and durability, making it an essential tool for any woodworking project. Technical specifications Includes various bit types: Straight (6 x 20mm, 12 x 20mm, 16 x 20mm) 90° Grooving: 12.7mm Dovetail: 12.7mm 45° Chamfer: 32mm Bearing Flush Trim: 12.7 x 13mm Rounding Over: R6.3 D22.2mm, R9.5 D28.6mm Cove Box: R6.3 D12.7mm Cove: R6.3 D22.2mm Roman Ogee: R4 D25.5mm