Product Test: Crescent Flare-Nut Crowfoot Wrench Set | Hemmings
Snap-on Tool 17mm Flare Nut Open Socket FRXM17 for sale online | eBay
JEUCLEL 19mm 1/2" Dr. Common Rail Injection Fuel Line Nut Socket, 12 Point Injection Line Flare Nut Wrench Open Type for Mercedes-Benz Diesel Engine, Injector Line Removal Tool Opening Socket : Amazon.co.uk:
Britool Hallmark REFMSET5 5 Piece Metric Flare Nut Wrench Set