Drop-forged Chrome Vanadium steel combination spanners. Hardened, tempered and nickel chrome plated for corrosion resistance. Fully polished mirror finish. Open end and 12-point WallDrive ring combination. Popular sizes for the classic car enthusiast. Supplied in storage/carry rack.Model No:S0870Contents:1/8", 3/16", 1/4", 5/16", 3/8", 7/16", 1/2", 9/16"