Kincrome 24pc Combination Spanner Set Imperial & Metric K3124The Kincrome range of Combination Spanners are perfect for the professional tradesman, forged from Chrome Vanadium Steel. These spanners are hardened, tempered and chrome plated. This range is perfect for the fastening of nuts and bolts in any application. Set Includes Metric Sizes 8, 9, 10, 11, 12, 13, 14, 15, 17, 18, 19, 22mm Imperial Sizes 1/4, 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4, 13/16, 7/8, 15/16"