Chrome Vanadium steel spanners with deep offset WallDrive® rings. Hardened, tempered and nickel chrome plated for corrosion resistance. Fully polished mirror finish. Supplied in storage/carry rack. Features & Benefits:Chrome Vanadium steel spanners with deep offset WallDrive® rings.Sizes: 6 x 7, 8 x 9, 10 x 11, 12 x 13, 14 x 15, 16 x 17, 18 x 19, 20 x 22mm.Hardened, tempered and nickel chrome plated for corrosion resistance.Fully polished mirror finish.Supplied in storage/carry rack.Lifetime guarantee*.Model No. S0405 Specifications: Model No S0405 Brand: Siegen Contents: 6 x 7, 8 x 9, 10 x 11, 12 x 13, 14 x 15, 16 x 17, 18 x 19, 20 x 22mm Nett Weight: 1.27kg