Lisle 37000 Air Conditioning/Fuel Line Disconnect Tool Set Easily disconnects air conditioning lines and quick connect fuel lines Set of six tools which disconnect the spring lock couplings on Ford and Chrysler air conditioning line Also works on fuel line quick connect couplings found on GM, Ford, and Chrysler Set includes six sizes: 5/16 inch, 3/8 inch, 1/2 inch, 5/8 inch, 3/4 inch and 7/8 inch