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. Covers sizes 10 to 19mm. Open-end of the spanners have hex profiles with serrated jaws for extra grip. Supplied in storage/carry rack.10pc Extra-Long Combination Ratchet Spanner Set• 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. AK63914Model No: AK63914:Brand: Premier:Contents: 10PTDSEAAK63914