The Bahco 11 Piece Heavy Duty Torsion Screwdriver Bit Set is a professional-grade impact bit collection designed for demanding applications with impact drivers. This comprehensive set features advanced torsion zone technology that effectively distributes stress concentration, absorbing torque peaks to prevent premature wear and significantly extend service life in high-torque applications. Manufactured from high-performance alloy steel with a durable manganese phosphate finish, these impact-rated bits are built to withstand the rigours of daily professional use. The set conforms to DIN 3126, ISO 1173, style E 6.3 standards, ensuring compatibility with standard 1/4" hex power tools and impact drivers. Ideal for electricians, carpenters and general contractors who require reliable fastening solutions across various materials and applications. The mixed head selection provides versatility for common fixing tasks, whilst the magnetic quick-release bit holder allows for rapid bit changes and secure retention during overhead or awkward working positions. The soft plastic holder with integrated safety lock belt clip ensures convenient storage and immediate access on site. Features and Benefits: • Torsion zone technology absorbs torque peaks and extends bit life • High-performance alloy steel construction for professional durability • Manganese phosphate finish provides corrosion resistance • Magnetic quick-release holder for fast bit changes • Belt clip holder keeps bits organised and accessible • Impact driver compatible for high-torque applications Contains: 3 x 25mm Phillips Bits: PH2(x2) and PH3 3 x 25mm Pozidriv Bits: PZ2(x2) and PZ3 4 x 25mm TORX® Bits: TX20(x2), TX25 and TX30 1 x Magnetic Quick-Release Bit Holder Specifications: Head Type: Mixed Set Pack Qty.: 11 Length (mm): 25