The Bosch 6 Piece Long Life Nut Driver Set is a versatile set of hex nut drivers designed for universal use with screwdrivers and drill drivers across a wide range of fastening tasks. Each nutsetter in this set is manufactured from S2 Modified Steel and subjected to an optimised heat-treatment process, resulting in extra-hard quality that delivers reliable performance across varied applications. This makes the set a dependable choice for contractors, electricians, and carpenters who need consistent results day to day. A built-in permanent magnet secures nuts and fasteners during use, reducing the risk of slippage and keeping work moving efficiently. The 1/4" hex shank ensures a strong, secure connection with maximum torque transmission in both three-jaw chucks and 1/4" internal hex tool holders. Features and Benefits: • S2 Modified Steel construction with optimised heat treatment for extra-hard durability • Permanent magnet holds fasteners securely and prevents slippage • 1/4" hex shank compatible with three-jaw chucks and 1/4" internal hex tool holders • Six common key widths (6, 7, 8, 10, 12 and 13 mm) covering a broad range of fastening applications Specifications: Shank: 1/4" hex Length: 50 mm Weight: 0.250 kg Contents: Width across flat 6 mm nutsetter Width across flat 7 mm nutsetter Width across flat 8 mm nutsetter Width across flat 10 mm nutsetter Width across flat 12 mm nutsetter Width across flat 13 mm nutsetter