Spark Plug Spanner 19mm - 21mm Fits Champion CJ (0.75 , 3/4 inch)and the more common J (0.813, 13/16inch hexagon)

Spark Plug Spanner 19mm - 21mm (3/4" - 13/16") to fit both standard Briggs and stratton spark plug sizes.

This plug spanner is suitable for most side valve mower engines and smaller 2 stroke engined chainsaws ,hedgetrimmers and strimmers etc

This spark plug spanner also has a handy 11mm female square end for oil drain plugs on Briggs and Stratton and similar engines.