Feature:
High Quality Material: This product adopts high quality electroplating shaft, rust and corrosion resistance. Rubber protective sheath, high temperature resistant wire, well insulated, tightly bonded to connector. The lamp shell is made of environment-friendly acetate fiber plastic, which has no impact on the low temperature environment.
Quick Problem Diagnosis: The Spark tester is an excellent tool for quickly and easily diagnosing ignition and finding engine problems and defects. Can also check spark plug connections, contact points, cables and other bad problems.
Easy to use: The product through the spark plug engine ignition tester indicator light display, determine which cylinder is causing the problem, and trace to the determined cause. Remove the spark plug wire after turning off the engine. Attach a black connector to the spark plug and insert the metal end of the tester into the spark plug wire. After starting the engine, if the ignition circuit has been completed, the bulb will flash.
Wide Application: Spark plug tester is suitable for all internal and external combustion engines, like cars, trucks, motorcycles, lawn mowers, snow blowers, trimmers, generators and so on can be used. It's a must-have item in personal and auto stores. 

Material: Silicone
Colour: Black&Clear
Weight: 60 g/2.12 oz
Package Size: 15 x 10 x 2.49cm

Package Included:
1 x Spark plug tester