This GearWrench 6 piece Metric Flex Flare Nut Wrench Set comes with 9 x 11mm, 10 x 12mm, 13 x 14mm, 15 x 17mm, 16 x 18mm and 19 x 21mm flex flare nut wrenches, fully polished with a long pattern for greater leverage and flex head wrench ends for increased access around obstructions. Sizes are indicated by stamps on both sides of the wrench for greater visibility.