This ratcheting spark plug tool works for installing and removing 13/16, 21mm spark plugs.

The ratchet is fine enough to work in tight places making it easy to tighten or loosen the spark plug.

Description: Ratchet Spark Plug Wrench
Specification: Fits Standard 13/16" Plugs, Works 2-way.
Material: Steel
Finish: Zinc Plated
When installing the spark plug, please use “ON” side.
When removing the spark plug, please use “OFF” side.