For easy and trouble-free separation of quick disconnect and spring lock couplers on many late model vehicles Use for air conditioning, heater hoses, automatic transmission cooler lines, fuel lines, etc. Vehicle manufacturer approved and will not damage fittings Set Includes: 3/8" A/C Spring Locking Coupling Tool 1/2" A/C Spring Locking Coupling Tool 5/8" A/C Spring Locking Coupling Tool 3/4" A/C Spring Locking Coupling Tool Ford/Chrysler Heater Hose Disconnect Tool Set Chrysler Fuel Line Disconnect Tool Ford/GM Fuel Line Disconnect Tool Set Ford Clutch Coupling Tool Universal Fuel Line Disconnect Tool 3/8" Fuel Line Spring Locking Coupling Tool 1/2" Fuel Line Spring Locking Coupling Tool 5/16" Fuel Line Disconnect Tool 3/8" Fuel Line Disconnect Tool Ford/GM Quick Disconnect Tool Ford Oil Cooler Line Disconnect Tool Ford Fuel Line Coupling Tool Ford Heater Hose Disconnect Tool GM Heater Line Quick Connect Separator