56pc TRX-Star SECURITY / Hex / Spline Socket Bit Set3/8" and 1/2" Square DriveChrome Vanadium 6150 steel bits, each size in 30 and 75mm lengths. Set includes 3/8" and 1/2"Sq drive to 10mm hex Chrome Vanadium steel 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 and security TRX-Star bits. 3/8" and 1/2"Sq drive to 10mm hex adaptors. Convenient high-impact storage case presents bits at an angle for easy selection. Contents: 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, 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. Lifetime guarantee . Specification: Contents -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, 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 -2.45kg Further Information We sell a wide variety of tools and workshop equipment for both the DIY and Professional markets. Alias: ys00704 Loops 56pc TRX-Star SECURITY / Hex / Spline Socket Bit Set - 3/8" & 1/2" Square Drive