Description: Star Headed skid resistance. Adopt S2 high grade metal produce,and the whole reflection is hardening. The surface is smooth and it is wear resistance. Professional and convenient,high efficiency. Type of Shank: 6.35mm / 1/4 inch hex Material: S2 Alloy Steel Size: TT8/ TT10/TT15/TT20/TT25/TT27/TT30/TT40 Total Length: 150mm Package Includes: 8pcs of Screw Driver Bits
