OTC 6517 Disconnect Tool Set - 9 Piece Designed for air conditioning lines fuel lines and transmission cooler lines Contains 3/8 inch 1/2 inch 5/8 inch and 3/4 inch spring lock disconnect tool for air conditioning lines on 1981 through 2003 Ford cars and trucks 1994 through 2003 Chrysler and Jeep vehicles 3/8 inch and 1/2 inch fuel line disconnect tool for Ford vehicles 5/16 inch and 3/8 inch fuel line disconnect tools for GM and Chrysler vehicles Transmission oil cooler line disconnect tool used on many GM and Ford vehicles