Thumbnail Filmstrip of Tools -14mm Spark Plug Gapper Set Plugs Easily Images
The spark Plug Gapper by Alkydigger pat. pending
Billet 14mm Plug Gapper MADE in USA
Shaped like a plug
Quit banging them on the vice.
Simply turn knob until desired gap is obtained.
you still need a feeler gauge , of course
Spark plug gapper