Low profile, double-ended tools disconnect fuel lines on many Chrysler, Ford, and GM Vehicles
The 1/2" side on the 63710 is especially useful for removing the fuel supply line from the sending unit on 2001 and newer Chevrolet/GMC 3/4-ton and 1-ton trucks equipped with 6.6L Duramax engine
Also 1999 and newer Chevrolet Silverado pickups equipped with gas engines