The Siegen 30 Piece Hexagon Allen Key Set provides comprehensive metric and imperial coverage for professional tradespeople and engineers. Manufactured from durable chrome vanadium steel, this versatile set delivers reliable performance across a wide range of fastener applications. This complete hex key collection comprises 15 long-arm imperial keys and 15 short-arm metric keys, offering the flexibility to tackle both UK and international equipment with different fastener standards. The long-arm imperial keys span from 0.028" through to 3/8", whilst the short-arm metric keys cover 0.7mm to 10mm, ensuring you have the right size for most common hexagon socket head applications. The keys are housed in a compact folding storage case that keeps the set organised and protected whilst providing quick access on site or in the workshop. Chrome vanadium steel construction offers excellent strength and wear resistance, making this set suitable for regular professional use. The Siegen hex key set is ideal for machinery maintenance, bicycle repairs, furniture assembly and general engineering tasks where precision fastening is required. Model No. S0484 is backed by a lifetime guarantee, providing long-term value and confidence in your investment. Features and Benefits: • Chrome vanadium steel construction for durability and long service life • Dual measurement system covers both metric and imperial fasteners • Folding storage case keeps keys organised and protected • Long-arm imperial design provides enhanced leverage and access • Lifetime guarantee for peace of mind Specifications: Brand: Siegen Contents: Long-Arm; 0.028", 0.035", 0.050", 1/16", 5/64", 3/32", 7/64", 1/8", 9/64", 5/32", 3/16", 7/32", 1/4", 5/16", 3/8", Short-Arm; 0.7, 0.9, 1.3, 1.5, 2, 2.5, 3, 4, 4.5, 5, 5.5, 6, 7, 8, 10mm Nett Weight: 0.78kg