Sealey Premier Platinum 4-in-1 Flexi-Head Reversible Ratchet Ring Spanner Features: Manufactured from Chrome Vanadium steel, hardened and tempered with a fully polished micro satin finish. Innovative ring design allows four different sizes on one spanner. 100-Tooth ratchet rings require only 3.6º rotation to pick up the next tooth. Ideal for applications where space is limited. Technical Details: • Manufactured from Chrome Vanadium steel, hardened and tempered with a fully polished micro satin finish. • Innovative ring design allows four different sizes on one spanner. • 100-Tooth ratchet rings require only 3.69º rotation to pick up the next tooth, ideal for applications where space is limited. • Size Coverage: 10 x 13, 17 x 19mm. • Lifetime guarantee*. • Model No. AK63947 • Model No. AK63947 Additional Information: • One of a comprehensive range of Premier Hand Tools, suitable for daily professional use. • Manufactured from Chrome Vanadium steel, hardened and tempered with a fully