Hardened, tempered and nickel chrome plated, these spanners are built to last This 25 piece metric combination spanner set contains all the sizes you could need for professional and DIY applications. These spanners vary in size from 6-32mm and are fully polished with a mirror finish for long life. They have been hardened, tempered and nickel chrome plated for corrosion resistance. Features: Drop-forged Chrome Vanadium steel combination spanners  Hardened, tempered and nickel chrome plated for corrosion resistance  Fully polished mirror finish  Open-end and twelve-point WallDrive ring combination   Comes with:   Storage/Carry Rack Specification:  Sizes: 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19,20, 21, 22, 23, 24, 25, 26, 27, 28, 30, 32mm