Lisle 63710 3/8" x 1/2" Low Profile Scissor Disconnect Scissor Disconnect 3/8" x 1/2" Low Profile Low Profile, Double-Ended Tools Disconnect Fuel Lines on Many Chrysler, Ford, and GM Vehicles 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.