Ignition Test Penihreesy Portable Automotive Spark Plug Wire Tester Tool Ignition Tester Spark Pen Ignition System Wires Coil Test Pen Diagnostic Tool

Features: How to use: When starting the engine, put the grooved end of the instrument on the spark plug wire. If the bulb is flashing, the spark plug wire is transmitting a spark signal. Function: It can quickly and easily diagnose whether the car ignition system is working properly, avoiding fire and burning the ignition coil. Material: The ignition test pen is made of high-quality aluminum material, which makes the product have good durability. No need to disassemble: test the performance of spark plugs, high voltage lines and ignition coils without dismantling any pipelines. Portable: Portable pen holder, easy to carry and store, bring you many conveniences. Widely used: Testing spark plugs, spark plug wires and coils on cars, motorcycles, lawn mowers and other small engines. Specification: Material: alloy Color: as picture shown Length: approx. 125mm/4.9in Diameter: approx. 10mm/0.4in Package includes: 1 x Car ignition test pen