General description TCT Router Bit Set featuring 12 pieces with TCT cutting edges and strong, hardened steel shanks, ideal for various woodworking applications. Technical specifications Includes: 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