Sealey Premier Offset Double End Ring Spanner Set 12pc Features: Manufactured from heat treated and hardened Chrome Vanadium steel. Deep offset WallDrive® rings with a satin polished finish for resistance to corrosion. Supplied in storage/hanging pouch. Technical Details: • Manufactured from heat treated and hardened Chrome Vanadium steel. • Deep offset WallDrive® rings with a satin polished finish for resistance to corrosion. • Sizes: 6 x 7, 8 x 9, 10 x 11, 12 x 13, 14 x 15, 16 x 17, 18 x 19, 20 x 22, 21 x 23, 24 x 27, 25 x 28, 30 x 32mm. • Supplied in storage pouch. • Lifetime guarantee*. • Model No. AK6328 • Model No. AK6328 Additional Information: • One of a comprehensive range of Premier Hand Tools, suitable for daily professional use. • Manufactured from heat treated and hardened Chrome Vanadium steel. • Deep offset WallDrive® rings with a satin polished finish for resistance to corrosion. • Sizes: 6 x 7, 8 x 9, 10 x 11, 12 x 13, 14 x 15, 16 x 17, 18 x 19, 20 x 22, 21 x 23, 24 x