These hexagon drive screwdriver bits possess a hardness of 58 - 62HRC and are manufactured from a high alloy chrome molybdenum steel for use on hand and power tools. Supplied in a red, plastic, moulded case to keep all your items together, with 33 pieces it is the ideal all round product for multiple applications. Features and Benefits • Supplied in a plastic moulded case to keep your screwdriver bits organised, stored and ready for transportation • 33 piece set is comprehensive and ensures you'll have the right bit no matter the application • Screwdriver bits manufactured from chrome molybdenum steel for durability and longer product life • Can be used with both hand and power tools making it a versatile product Typical Applications • Automotive • Construction • Plumbing • Electrical • DIY Notes • Set Contents: • Hex: 2, 2.5, 3, 4, 5 and 6mm • PZ: No.1 x2, No.2 x3, No.3 x2 • TX: TX10, TX15, TX20 TX25, TX30, TX40 • Crosspoint: No.0, No.1 x2, No.2 x3, No.3 x2 • Flat: 3, 4, 5, 6 and 6.5mm • 1/4" magnetic drive adaptor