• This unique and patented design works on 2004–newer Ford vehicles with 5.4L, 4.6L, 5.4L, 3-valve Triton V8 & 6.8L Triton V10 engines.
• Socket end is 9/16”. Soft rubber insert holds and protects spark plug during removal and installation.
• Extension is part of the socket. Easily fits down spark plug tube in cylinder head.
• Socket has a 3/8” drive for use with a ratchet or breaker bar.