Hands Free In-Line Ignition Spark Tester Clamps Tool extends from 18-1/2 to

Tool extends from 18-1/2 to 34-1/2

outboard engines

Will not score bottom of blind holes

7/8" and 15/16"

Hands Free In-Line Ignition Spark Tester Clamps Tool extends from 18-1/2 toHands Free In Line Ignition Spark Tester Features and Benefits: Connects in line between the spark plug and the ignition wire Use to quickly troubleshoot ignition system with "hands free" operation Shows a duplicate view of the ignition spark Technician can visually check condition of ignition system at each cylinder Frequency and intensity of flash indicates whether there is an ignition system problem or a fault in the fuel delivery system Flash can