2Pcs Car Mechanic Testers, Automotive Tester Engine Diagnostic Tool, Automotive Tools Universal for Car Truck SUV Motorcycle RV

About this item

• 【Accurate Location】: The mechanical tester has a sensitive acoustic chamber to pinpoint the source of the noise, helping to accurately locate abnormal engine noise. Suitable for diagnosing valve train, bearings, transmission, gears and other engine problems.
• 【High Quality】: The engine tester is made of high quality stainless steel and heavy-duty vinyl tubing, sturdy, reliable, abrasion-resistant, not easy to rupture.
• 【How To Use】: Mechanical tester probe can pinpoint the source of the sound, earplugs isolate the outside noise, and the audio shock amplifier ball amplifies the sound; simply follow the loudest sound in the engine and make contact between the probe and the surface to confirm it; if you can't detect the problem right away, you can check other places.
• 【Packages Include】: This engine tester set includes 2 metal probes: 3.3 inch medium needle probe and 8.4 inch extension probe.
• 【Easy Installation】: Attach the threaded end of the expansion probe to the centre pin probe of your car's tester, which can be extended to 11.7 inches in length for easy access to hard-to-reach spaces.