Features: 1. Application: Fits for Ford Chrysler and GM vehicles’ fuel tank lock rings. Fits for 2004-newer Ford F-150 trucks, 2004-newer Chrysler / Dodge mini-vans PT Cruiser Dakota Durango, 2004-newer Chevy 1/2-ton and 3/4-ton trucks (Please check the size before purchase) 2. Material: High Standard Structural 42CrMo Steel with good mechanical properties, solid enough; Black Oxide Finish, resists rust 3. Intended Use: Easily removes and installs lock ring on the fuel tank when servicing the fuel pump or fuel sending unit (use with a 1/2" drive ratchet or breaker bar) .