High quality impact grade S2 steel satin finish 36mm length bits. Specially heat treated CNC machined tips reduce stress and prevent cam-out under load. Torsion bits absorb impact and transfer maximum torque to the fixing. Hardened (58-62 HRC) and tempered for added strength. Colour-coded for fast identification. Supplied in storage case. Features & Benefits: • High quality impact grade S2 steel satin finish 36mm length bits. • Specially heat treated CNC machined tips reduce stress and prevent cam-out under load. • Torsion bits absorb impact and transfer maximum torque to the fixing. • Hardened (58-62 HRC) and tempered for added strength. • Colour-coded for fast identification. • Contents: TRX-Star* Bits; T10, T15, T20, T25, T27, T30, T40, T45, T50, T55, T60, Hex Bits; 4, 5, 6, 7, 8, 10, 12mm, Spline Bits; M5, M6, M8, M10, M12, M14, M16, M18, Drive Adaptors; 3/8"Sq x 10mm Hex, 1/2"Sq x 10mm Hex. • Supplied in storage case. • Lifetime guarantee*. • Model No. AK21902 Specifications: Model No AK21902 Brand: Premier Contents: TRX-Star* Bits; T10, T15, T20, T25, T27, T30, T40, T45, T50, T55, T60, Hex Bits; 4, 5, 6, 7, 8, 10, 12mm, Spline Bits; M5, M6, M8, M10, M12, M14, M16, M18, Drive Adaptors; 3/8"Sq x 10mm Hex, 1/2"Sq x 10mm Hex Drive: 3/8" & 1/2"Sq Nett Weight: 0.71kg