This unique design works on 2004-newer Ford F-150 pickup trucks with 5.4L 3-valve Triton V-8 engines.
Product Features:- 9/16" Socket end.
- Socket has 3/8" drive for use with a ratchet or breaker bar
- Soft rubber insert holds and protects spark plug during removal and installation.
- Extension is part of the socket and easily fits down spark plug tube in cylinder head