BOSCH Screwdriver Bit Metalworking Drill Set 35-Piece &

●35-piece screwdriver bit set●9mm groove shank●6.35mm shaft●Metalworking drill ● 25mm screwdriver bits: PH1/2/2/3, PZ1/2/2/3, slotted 3/4/5/6, T10/15/20/20/25/27/30/40, H3/4/5/6 ● Hex shank sockets: 6/8/10/13 ● Metalworking drill bits: 2.5/3/3.5/4/5/6 ● Hex shank bit holder Shaft diameter: 6.35mm hexagonal shaft