Jtc-1720A Adjustable Spark Gap Tester

Rapidly, accurately, safely, conveniently to judge the quality of ignition system, depends
    on difference types of car condition and adjust the different gaps .
• To judge the quality of coil according to spark color and distance.
• The car factory choose the appropriate coil depends on engine and ignition system.
•The airtight design to prevent the high volts leakage.