... carbon steel Tip material:YG8 Packing:Aluminium box Contents:6*straight bits 1/8, 1/4, 3/8, 1/2, 3 ... /4, 15*flush trim bits 3/8x1/2, 3/8*1, 1/2x1/2, 1 ... /2x1, 3/4x12*cove bits 1/4, 3/83*rounding bits 1/4, 3/8, 1/22*dovetail ... bits 9/16, 1/23*slot cutter bits 1/4, 5/16, 25/642* ... double roman bits R1/8, R1/42*roman ogee bits R5/32, R1/490 deg V-groove ...