42pc TRX-Star / Hex / Spline Socket Bit Set - 3/8" & 1/2" Square Drive Mechanics

42pc TRX-Star / Hex / Spline Socket Bit Set3/8" and 1/2" Square Drive MechanicsPlatinum series. High quality steel bits with a zinc phosphate finish, each size in 30 and 75mm lengths. Hardened (58-62 HRC) and tempered for added strength. Includes 3/8" and 1/2"Sq drive to 10mm hex Chrome Vanadium steel bit adaptors. Supplied in storage case with inclined tray for quick and easy bit selectionFeatures: Platinum series. High quality steel bits with a zinc phosphate finish, each size in 30 and 75mm lengths. Hardened (58-62 HRC) and tempered for added strength. Includes 3/8" and 1/2"Sq drive to 10mm hex Chrome Vanadium steel bit adaptors. Contents: TRX-Star* Bits; T20, T25, T30, T40, T45, T50, T55, T60 (1 each 30 and 75mm), Hex Bits; 4, 5, 6, 7, 8, 10, 12mm (1 each 30 and 75mm), Spline Bits; M5, M6, M8, M10, M12 (1 each 30 and 75mm), Drive Adaptors; 3/8"Sq x 10mm Hex, 1/2"Sq x 10mm Hex. Supplied in storage case with inclined tray for quick and easy bit selection. Lifetime guarantee*. Specifi