Features: Set of 7 tools disconnect the spring lock couplings and air conditioning lines. Fit line size 1/4 inch, 3/8 inch, 1/2 inch, 5/8 inch, 3/4 inch, 7/8 inch, 5/16 inch. Easily disconnects air conditioning lines and quick connect fuel lines. Fuel line disconnect tool set can be easilyuse to quick disconnect air conditioning lines and quick connect fuel lines. Package Include: 7 Pcs One Set AC Fuel Transmission Oil Line Coupling Quick Disconnect Tool Brand REDHARE Warranty 1 Year UPC Does not apply Type Cooling System Tool Manufacturer Part Number Does not apply .