Silverline 633982 Polished Chrome Ignition Spark Tester, 270mm The Silverline ignition spark plug tester connects between spark plug and ignition lead to give a clear indication of the ignition system function. It has a chrome-plated finish. And it is constructed from durable steel. Features: Made from durable steel material Connects between spark plug and ignition lead A clear indication of ignition system function The spark plug tester has a chrome plated finish Specifications: Clamping Method: Push the connector onto the spark plug Finish: Chrome plated / plastic Material Secondary Construction: Steel Material Tip: Steel Resolution: On / Off Package Includes: Silverline 633982 Ignition Spark Tester