Snap On 12 pc 12-Point Metric Long Combination Wrench Set Used. 10 11 13 14 15 16 18 Mm are flank the others are oexm. There is a non snap on 20mm spanner included to make up set. PLEASE SEE MY OTHER ITEMS THANKS FOR LOOKING. There are 3 small grind marks on each spanner. Do not affect use.