Made in the USA, Lang Tools (538) Ford Fuel Filter Cap Tool combines a 36mm hex and 6 notches to do the work of two tools in one. Made of blue anodized aluminum, the Ford Fuel Filter Cap Tool has a 3/8" drive. The 538 works on: Ford 36mm cartridge style oil filters and fuel filters which use 36mm & web cartridges; Ford F250 thru F550 Trucks, E250 thru E350 Econoline Vans, Excursion and Super Duty; 1998- present 7.3L Power stroke Diesel and oil filter caps for 2003-2007 Ford 6.0L Power stroke Diesel, 2008- present Ford 6.4L Turbo Diesel; some International/Navistar Trucks & VW's.