42pc TRX-Star / Hex / Spline Socket Bit Set - 3/8" & 1/2" Square Drive MechanicOverview: Chrome Vanadium 6150 steel bits hardened to 52-53 HRC and tempered for added strength. Set 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 selection.Features: Manufactured from Chrome Vanadium steel. Long and short TRX-Star*, spline and hex bits. Includes 3/8" and 1/2"Sq drive to 10mm hex Chrome Vanadium steel bit adaptors. Convenient high-impact storage case presents bits at an angle for easy selection. 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. Lifetime guarantee*. Specification: Contents - TRX-Star* Bits; T20, T25, T30, T40, T45, T50, T55, T60 (1 each 30 & 75mm), Hex Bits; 4, 5, 6, 7, 8, 10, 12mm (1 each 30 & 75mm), Spline Bits; M5, M6, M8, M10, M12 (1 each 30 & 75mm), Drive Adaptors; 3/8"Sq x 10mm Hex, 1/2"Sq x 10mm Hex Drive - 3/8" & 1/2"Sq Net Weight - 1.77kg Further Information: We sell a wide variety of tools & workshop equipment for both the DIY and Professional markets. With well over 10,000 lines of equipment suiting all jobs big or small, our online store has it all. If you can’t quite find what you are looking for, please feel free to contact us and we’ll be more than happy to help.Alias: ys00697