The Bahco 66IM/11C-1 Heavy-Duty Torsion Bit Set contains a range of impact bits that are suitable for impact drivers. These bits have been designed for long-term use, the torsion zone can effectively spread the strength concentration. It absorbs torque peaks avoiding premature wear and tear and improving service life. All the bits are made from high-performance alloy steel with a manganese phosphate finish. Conforms to DIN 3126, ISO 1173, style E 6.3.Supplied on a soft plastic holder with a safety lock belt clip. Contains:3 x 25mm Phillips Bits: PH2(x2) and PH3 3 x 25mm Pozidriv Bits: PZ2(x2) and PZ3 4 x 25mm TORXBits: TX20(x2), TX25 and TX30 1 x Magnetic Quick-Release Bit Holder