With spanners ranging from 6mm to 32mm, the 25 Piece Hi-Torq® Metric Combination Spanner Set from Draper is an essential item for any toolbox or workshop. Forged from extremely strong chromium-vanadium steel, the spanners are hardened, tempered, and chrome plated for complete corrosion protection. The spanners come supplied in a wall-mountable plastic storage rack, for convenient storage. Spanner sizes (mm) – 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 30, and 32.