Precise Noise Localization: Sensitive acoustic chamber pinpoints abnormal engine noises accurately, ideal for diagnosing valve trains, bearings, transmissions, gears, and other engine issues.

Premium Durability: Crafted from high-quality stainless steel and heavy-duty vinyl tubing—sturdy, reliable, abrasion-resistant, and not easily ruptured.

Easy Operation:

Probe targets sound sources; earplugs block external noise; audio amplifier ball enhances sound clarity.

Simply follow the loudest engine sound, make probe contact with the surface to confirm issues.

Check additional areas if problems aren’t detected immediately.

Complete Package: Includes 2 metal probes: 3.3-inch medium needle probe + 8.4-inch extension probe.

Tool-Free Extension: Screw the extension probe’s threaded end onto the central pin probe for easy assembly. Extends up to 11.7 inches to access hard-to-reach spaces.