74pc TRX-Star SECURITY / Hex / Spline / Ribe Socket Bit Set3/8" 1/2" Sq DriveChrome Vanadium 6150 steel bits, each size in 30 and 75mm lengths. Hardened 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 trays for quick and easy bit selectionFeatures: Manufactured from Chrome Vanadium 6150 steel. Long and short ribe, spline, hex, TRX-Star and security TRX-Star bits. Set 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), Security TRX-Star Bits; T20H, T25H, T30H, T40H, T45H, T50H, T55H, T60H (1 each 30 and 75mm), Hex Bits; 4, 5, 6, 7, 8, 10, 12mm (1 each 30 and 75mm), Ribe Bits; M5, M6, M7, M8, M9, M10, M12, M14 (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 convenient high-impact storage case with inclined tray and easy bit selection. Lifetime guarantee . Specification: Contents -TRX-Star Bits; T20, T25, T30, T40, T45, T50, T55, T60 (1 each 30 and 75mm), Security TRX-Star Bits; T20H, T25H, T30H, T40H, T45H, T50H, T55H, T60H (1 each 30 and 75mm), Hex Bits; 4, 5, 6, 7, 8, 10, 12mm (1 each 30 and 75mm), Ribe Bits; M5, M6, M7, M8, M9, M10, M12, M14 (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 Drive -3/8" and 1/2"Sq Net Weight -3.10kg Further Information We sell a wide variety of tools and workshop equipment for both the DIY and Professional markets. Alias: ys00707 Loops 74pc TRX-Star SECURITY / Hex / Spline / Ribe Socket Bit Set - 3/8" 1/2" Sq Drive