Qbace 9pcs Disconnect Quick A/c Spring Lock Coupling Tool Set Includes spring locking tool:3/8" RED,1/2" BLUE,5/8" BLACK,3/4" WHITE. Fuel disconnect tool:3/8" YELLOW,1/2" GREEN. Fuel line fitting disconnect tool:5/16" GREY,3/8" CYAN FORD/GM quick disconnect tool:1/2" BLACK