7PCS CAR FUEL LINE DISCONNECT TOOLS For Automobile Air-conditioning Oil Pipe Disassembly Kit Multiple Sizes Pipe Clip Removal Tool The Oil Cooler Line Quick Disconnect Kit provides 7 different sized tools for removing/disconnecting fuel lines, heater lines, AC cooling lines and other accessories on quick disconnect fittings. The compact size is easy to grip, and the angled design allows access to hard-to-reach areas. Easy To Use: Hold the notch against the fuel line to release the lock and remove it. Fits: for most compatible for Ford GM Chrysler Mazda models. It also works on some other vehicles, and the automatic transmission line is in the size range. Contains 7 Opening Sizes: 1/4"(6mm), 5/16"(8mm), 3/8"(9.5mm), 1/2"(13mm), 5/8"(16mm), 3/4"(19mm), 7/8"(22mm).