TCT cutting edges and strong, hardened steel shanks. 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 and Roman ogee: R4 D25.5mm.