Lisle 14540 Headlight Adjusting Ratchet for Ford. Works on Ford Aerodynamic Headlights with Rear Mounted Adjusters. Tool is used to adjust aerodynamic headlights with rear mounted adjusters on newer Ford vehicles. These adjusters are not easily accessible and require this tool for adjusting. The extra long handle allows easy access to hard-to-reach spaces. Tool has a 4mm hex with a roller clutch for infinite settings.