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