Engine Spark Tester is a must have diagnostic tool for any engine with a spark plug, & can quickly and easily diagnose ignition/engine outboard motor issues or a fault in the fuel delivery system.
Use for All Internal & External Combustion Engines, cars, trucks, boats,motorcycles, lawnmowers, chainsaws, trimmers, snow-blowers, generators etc.
Saves time, while also offering a safe secure way to identify spark.
Simple to use , just remove rubber boot from spark plug, insert tester & place tester boot on plug
Product size: 2.28 inch metal interface, 4.44 inch shaft housing, 6.53 inch cable .