2PCS Inline Spark Plug Tester, Light Lawnmower Engine Checker, 6-12 Volt Pick Up Coil/Armature Diagnostic Detector Tool for Automotive, Car, Lawnmower, Small & Big Internal/External Engines

Description Product Description: It can be easily test ignition circuit continuity at each cylinder.

Great for troubleshooting any internal combustion engine.

Indicator light flashes when circuit is working.

Material: stainless steel+plastic Color: black Dimensions: 6" boot/cable, 5" shaft/light housing Design: nickel Plated shaft, double ended flexible tool offers a straight boot -– Internal bulb lasts for years, but is replaceable through transparent housing.