General description Sealey S01275 Siegen Specialised Bit Set & Folding Hex Keys with Tool Tray includes a comprehensive 170-piece set designed for various applications. The set features a tool tray that organizes specialized bits and folding hex keys, making it an essential addition to any toolbox. Technical specifications Contents: TRX-Star* Bits; T20, T25, T30, T40, T45, T50, T55 (1 each 30 and 75mm) Hex Bits; 4, 5, 6, 7, 8, 10, 12mm (1 each 30 and 75mm) Ribe Bits; M6, M7, M8, M10, M12, M13, M14 (1 each 30 and 75mm) Spline Bits; M5, M6, M8, M10, M12 (1 each 30 and 75mm) 25mm Bits including Slotted (3-6mm), Phillips (#0-#3), Pozi (#0-#3), TRX-Star* (T8-T40), Hex (1.5-6mm), Imperial Hex (1/16"-1/4"), Spline (M4-M6), Square (S0-S3), Torq (6, 8, 10mm), Tri-Wing (1-4mm), Security TRX-Star* (T8H-T40H), Security Hex (2-6mm), Imperial Security Hex (5/64"-1/4") 1/4" Sq Drive 25mm Bit Adaptor 1/4" Hex Quick Chuck Bit holder Folding Keys; Ball-End Hex (1.5-8mm), Imperial Ball-End Hex