IHI2379 Features: * 3321- Fuel line quick disconnect tool * 3290 ford air conditioning and fuel line spring lock coupling tool * The 3321 fits 5/16" to 3/8" fuel lines * 2 Piece Fuel Line Kit Includes: * The 3290 releases locking mechanisms on: 3/4", 5/8", 1/2" and 3/8"This 2 piece fuel line kit includes disconnect tools for use on many ford, GM and Mazda vehicles. Also used on Chrysler and Ford A/C line adapters. Tools are available individually. Warranty: * Sets & Kits do not have warranty/ see individual pcs for details