The Sealey AK63922 is a 12-piece ratchet combination spanner set engineered for professional mechanics and automotive technicians requiring precision fastening tools. This comprehensive metric set covers sizes from 8mm to 19mm, providing essential coverage for most common automotive and general maintenance applications. Constructed from drop-forged Chrome Vanadium steel, these spanners are hardened and tempered to withstand the demanding conditions of professional workshop environments. The fully polished micro satin finish provides effective corrosion resistance whilst maintaining a professional appearance. The 72-tooth ratchet mechanism requires only 5° rotation to pick up the next tooth, making these spanners particularly valuable when working in confined spaces where swing arc is limited. The WallDrive® ring configuration grips fasteners on their flat surfaces rather than the corners, reducing the risk of rounding and providing improved torque transfer. The set is supplied in a practical folding rack for organised storage and easy transportation between job sites. Backed by a lifetime guarantee, this Premier Platinum set represents a dependable addition to any professional toolkit. Features and Benefits: • 72-tooth ratchet mechanism for precision work in restricted spaces • WallDrive® rings grip fasteners on flats to prevent rounding • Drop-forged Chrome Vanadium steel construction for professional durability • Folding rack keeps spanners organised and protected • Lifetime guarantee for long-term peace of mind Specifications: Brand: Premier Platinum Contents: 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19mm Maximum Length: 248mm Minimum Length: 140mm Nett Weight: 1.74kg