Special leaf spring desgined with 3 claws to clip the spark plug. Universal joint design, 30 degree operable angle. 3/8”DR x 16mm, 315mmL, 12PT.
Universal Spark Plug Gap Adjustment Tool + 16mm Spark Plug Socket + Feeler Gauge
Red Universal Spark Plug Gap Tool for Most 10mm 12mm 14mm 16mm Spark Plugs
12mm & 14mm Engine Spark Plug Caliper Universal Spark Plug Gap Tool Gapper Kit
12mm & 14mm Engine Spark Plug Caliper Universal Spark Plug Gap Tool Aluminum
Universal Spark Plug Gap Adjustment Tool for Most Spark Tool w/ Feeler Gauge
