The Bosch 3 Piece Long Life Nut Driver Set is a professional nut driver set comprising three commonly used sizes, designed for universal fastening tasks with screwdrivers and drill drivers. Each nutsetter is manufactured from S2 Modified Steel and undergoes an optimised heat-treatment process to deliver extra-hard performance. This construction ensures reliable durability across a wide range of driving tasks, making the set suitable for contractors, electricians, and general tradespeople working in varied conditions. A built-in permanent magnet holds fixings securely in place during use, reducing the risk of slippage and improving efficiency when working at pace or in awkward positions. The ¼” hex shank provides a strong, secure connection with maximum torque transmission in both three-jaw chucks and ¼” internal hex tool holders. Features and Benefits: • S2 Modified Steel construction with optimised heat-treatment for extra-hard durability • Permanent magnet secures fixings and prevents slippage during use • ¼” hex shank compatible with three-jaw chucks and ¼” internal hex tool holders • Three sizes included — 8 mm, 10 mm, and 13 mm — for versatile universal use Specifications: Length: 50 mm Shank: ¼” hex Key Widths: 8 mm, 10 mm, 13 mm Net Weight: 0.1 kg Contents: Width across flat 8 mm nutsetter Width across flat 10 mm nutsetter Width across flat 13 mm nutsetter