Blue spot metric chrome vanadium plated combination spanner sets with hardened and tempered mirror polished heads nickel chrome plated supplied in a durable plastic carryingstorage case and arranged in size order contents bs04111 6 7 8 9 10 12 13 14 15 17 19mm bs04125 6 7 8 9 10 11 12 13 14 17 19 22 24 26mm bs04131 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