Sealey Premier Extra-Long Combination Ratchet Spanner Set 10pc Features: High quality slim style Chrome Vanadium steel spanners. Hardened, tempered with a polished mirror finish for corrosion resistance. 144-Tooth WallDrive® ratchet ring giving ultra-smooth action, requiring only 2.5° rotation to pick up the next tooth. Covers sizes 10 to 19mm. Open-end of the spanners have hex profiles with serrated jaws for extra grip. Supplied in storage/carry rack. Technical Details: • High quality slim style Chrome Vanadium steel spanners. • Hardened, tempered with a mirror polished finish for corrosion resistance. • 144-Tooth WallDrive® ratchet ring giving ultra-smooth action, requiring only 2.5° rotation to pick up the next tooth. • Serrated jaws for extra grip. • Sizes: 10, 11, 12, 13, 14, 15, 16, 17, 18, 19mm. • Supplied in storage/carry rack. • Lifetime guarantee*. • Model No. AK63914 • Model No. AK63914 Additional Information: • One of a comprehensive range of Premier Hand Tools, suitable