Manufactured from Chrome Vanadium steel with a fully polished finish. Hardened tempered and nickel chrome plated for corrosion resistance. Open-end and 12-point WallDrive® ring combination.18mm Combination Spanner• Manufactured from Chrome Vanadium steel with a fully polished finish.• Hardened tempered and nickel chrome plated for corrosion resistance.• Open-end and 12-point WallDrive® ring combination.• Lifetime guarantee*.• Model No. S01018Model No: S01018:Brand: Siegen:Length: 220mm:Nett Weight: 0.14kg:Set Model No(s): -:Size: 18mm:PTDSEAS01018