Part Description
Motion Pro, Pro Plug Socket™ 21mm spark plug socket
21mm socket, for most 14mm threaded spark plugs. Used with a 3/8" square drive or 17mm wrench. Allows a fixed or up to a 15° angle swivel drive when used with the 567325 optional wobble extension bar. The wobble extension is used to gain better (angled) access to hard to reach places.
