General description The HiKOKI 41 piece Impact Socket & Bit Set includes a selection of the most popular sizes, making it ideal for various applications. It is suitable for use with cordless and corded screwdrivers, impact drivers, and hammer drills. The set is conveniently supplied in a hand carry case. Technical specifications 10 x 1/2in Hex Impact Sockets: 8, 10, 11, 12, 13, 14, 17, 19, 21 & 22mm 3 x 25mm Phillips Bits: PH1, PH2 & PH3 3 x 25mm Pozidriv Bits: PZ1, PZ2 & PZ3 7 x 25mm TORX Bits: T10, T15, T20, T25, T27, T30 & T40 7 x 25mm Tamper TORX Bits: TH10, TH15, TH20, TH25, TH27, TH30 & TH40 4 x 25mm Slotted Bits: 3, 4, 5 & 6mm 4 x 25mm Hex Bits: 3, 4, 5 & 6mm 1 x 1/2in to 1/4in Adaptor 1 x 1/2in Hex Socket Adaptor 75mm 1 x 1/4in Quick-Change Bit Holder 60mm