• One of a comprehensive range of Premier Hand Tools, suitable for daily professional use. • Drop-forged, Chrome Vanadium steel combination spanners. • Hardened and tempered with a fully polished micro satin finish for corrosion resistance. • 15° Offset ring ends keep knuckles clear of obstructions. • 35° Angled offset open-end allows for improved access. • Feature specially machined flutes in the walls of the ring end which enable use on up to 85% rounded fasteners. • This not only provides added strength but also prevents further damage to worn or rusted fixings. • Sizes: 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19mm. • Supplied in folding storage rack. • Lifetime guarantee*.