Set of Seven Disconnect Tools for Spring Lock Connectors on A/C and Fuel Lines Found on Many Chrysler and Ford Vehicles. The tools are color coded for sizing and spring loaded to remain on the A/C or fuel line. Disconnect Applications 63740 3/8" Red A/C Lines on 1981 & newer Ford and some 1994 & newer Chrysler vehicles 63750 3/8" Yellow Fuel lines on 1987 & newer Ford vehicles 63760 1/2" Blue A/C Lines on 1981 & newer Ford and some 1994 & newer Chrysler vehicles 63770 1/2" Green Fuel lines on 1987 & newer Ford vehicles 63780 5/8" Short Black Heater Hose on 1995 & newer Ford Crown Vic & Mercury Grand Marquis w 4.6L engines. 63790 5/8" Long Black A/C Lines on 1981 & newer Ford and some 1994 & newer Chrysler vehicles 63810 3/4" White A/C Lines on 1981 & newer Ford and some 1994 & newer Chrysler vehicles