The Lang Tools Dual Ford Fuel Filter Cap Tool, No. 538, works on fuel filters for Ford F250 through F550 trucks, E250 through E350 Econoline Vans, Excursion and Super Duty; 1998-present Ford 7.3L Powerstroke Diesel, and oil filter caps for 2003–2007 Ford 6.0L Powerstroke Diesel, 2008-present Ford 6.4L Turbo Diesel, some International/Navistar trucks, as well as some VW vehicles. These tools offer a 3/8" drive and are blue anodized for easy visual identification. A 36mm hex, combined with six notches allow this tool to do the work of two tools. Patent pending.