High quality impact grade S2 steel satin finish bits, each size in 36 and 75mm lengths. 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 with inclined tray for quick and easy bit selection. Features & Benefits:High quality impact grade S2 steel satin finish bits, each size in 36 and 75mm lengths.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; T20, T25, T30, T40, T45, T50, T55, T60 (1 each 36 and 75mm), Hex Bits; 4, 5, 6, 7, 8, 10, 12mm (1 each 36 and 75mm), Spline Bits; M5, M6, M8, M10, M12 (1 each 36 and 75mm), Drive Adaptors; 3/8"Sq x 10mm Hex,