For easy removal and installation of spark plug sizes common to most vehicles the spark plug socket is a standard deep socket with a small rubber buffer inside of it intended to grab on to the terminal and hold the plug inside of the socket
Includes three extra deep spark plugs sockets and one thin wall spark plug socket for hard to reach plugs - for use with 3/8" drive ratchets
This socket set is not intended for use with an impact tool of any kind.
Caution: Use of this socket with an impact tool can cause serious injury