SK 11 Piece Metric Flare Nut Crowfoot Wrench Set 11 piece set is made in the U.S.A., featuring SK's high polish SuperKrome finish, which protects the tools from the harsh working environments found in today's workplace, while providing long life and maximum corrosion resistance. Handle edges are rounded for improved gripping and increased user comfort. Flare nut crowfoot wrenches are designed for use on soft fittings such as brass and aluminum. Includes: 9mm, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm Wrenches. Packaged in a tray.