The Sealey 74 Piece Ribe / Spline / Hex / Torx / Security Torx Bit Set is a comprehensive screwdriver bit collection designed for professional tradespeople requiring specialist fastener solutions. Manufactured from Chrome Vanadium 6150 steel and hardened to 52-53 HRC, these bits are tempered for exceptional durability and long-term performance across demanding applications. This extensive set provides both 30mm and 75mm length options across multiple drive types, making it ideal for automotive technicians, motorcycle mechanics, and maintenance engineers working with modern European and Japanese vehicles. The inclusion of security Torx bits ensures access to tamper-resistant fasteners commonly found in electronics, automotive trim, and security applications. The set includes versatile 3/8" and 1/2" square drive to 10mm hex adaptors manufactured from Chrome Vanadium steel, allowing seamless integration with ratchets, torque wrenches, and impact drivers. All 74 pieces are supplied in a high-impact storage case featuring inclined trays for quick bit identification and selection on-site, whilst the lifetime guarantee provides confidence in long-term tool investment. Features and Benefits: • Chrome Vanadium 6150 steel construction hardened to 52-53 HRC for superior wear resistance • Dual length options (30mm and 75mm) for accessing recessed and confined fasteners • Comprehensive coverage including Ribe, Spline, Hex, Torx and Security Torx profiles • High-impact storage case with inclined trays for efficient bit organisation • Compatible with standard square drive tools via included adaptors • Lifetime guarantee for professional peace of mind Specifications: Brand: Premier Contents: TRX-Star* Bits; T20, T25, T30, T40, T45, T50, T55, T60 (1 each 30 & 75mm), Security TRX-Star* Bits; T20H, T25H, T30H, T40H, T45H, T50H, T55H, T60H (1 each 30 & 75mm), Hex Bits; 4, 5, 6, 7, 8, 10, 12mm (1 each 30 & 75mm), Ribe Bits; M5, M6, M7, M8, M9, M10, M12, M14 (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 Nett Weight: 3.10kg