Craftsman Metric Flare Nut Wrench Set, 5-Piece, 9-42013 - Sk Metric Line Wrench - Amazon.com
8MM X 9MM FLARE NUT WRENCH - SUNEX Tools
SATA 3-Piece Full-Polish Metric Flare Nut Line Wrench Set for Removing or Replacing Nuts on Fuel, Brake or Air Conditioning Lines - ST09033U - Amazon.com