Is the rod going into the chamber piece on either attachment loose, moving in/out causing a rattle & loud thud while wearing ear pieces?

The rod is for detecting metallic noise such as bearings, rocker arms, timing chain, water pump, wheel, transmission or axle etc etc .. also can be used for injectors, and relays, the hollow tube is for air leak, vacuum leak intake and exhaust leak. The rod is screwed into the plastic round box. You need to remove tube from the plastic box and connect it to the hollow tube to hear the air leak or vacuum leak, and use the rod to listen to any metallic noise. This is the same principle of the stethoscope doctors are using in the hospital which there is a part can be rotated to change to hear the different sounds air breathing and heart beat and blood flow. Do some experiments with some noises and you will find it very useful, a must for any Auto-mechanic

Will this work on a tractor too? I want to get it as a gift.

It will work great on a tractor. If you're hearing an odd noise during idle you'll be able to use the probe to check the water pump, hydraulic pump, valve train, alternator, etc. If you have a baler and you hear the squeak of impending bearing failure you'll be able to narrow down what shaft the bad bearing is on.

This could work to find air leaks nearly at an pipe line? With medium pressure, about 120 psi.

Yes. I use it also to find vacuum leaks

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Lisle 52500 Mechanic’s Stethoscope

Product ID: 2320579

Details

Brand
Lisle
Color
Factory
Exterior Finish
Stainless
Material
Stainless
Product Dimensions
14"L x 5"W

🎯Pinpoints noise sources in engines & bearings

🔊Super thin diaphragm for crystal-clear sound

🛠️Hollow tube reaches tight, hard-to-access spots

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S$46

Duties & taxes included

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Description

🎧 Hear what others can’t—diagnose like a pro with Lisle 52500!

TRUSTED BY PROS - 4.6-star rating from 1,500+ mechanics who rely on it for accurate diagnostics.
ERGONOMIC HOLLOW TUBE - Effortlessly access hard-to-reach areas without straining or guesswork.
PRECISION SOUND DETECTION - Quickly isolate engine, transmission, and bearing noises with unmatched clarity.
ULTRA SENSITIVE DIAPHRAGM - Super thin diaphragm amplifies subtle sounds others miss—your ears will thank you.
DURABLE STAINLESS STEEL BUILD - Rugged, professional-grade finish designed to withstand daily workshop demands.

The Lisle 52500 Mechanic’s Stethoscope features a super thin diaphragm and unique sound chamber that amplify engine and bearing noises with precision. Its hollow tube design allows easy access to tight spaces, making it an essential tool for mechanics seeking accurate diagnostics. Crafted from durable stainless steel and backed by a limited lifetime warranty, it’s a trusted choice with over 1,500 positive reviews.

Specifications

ASIN	B0002SQYSM
Brand Name	Lisle
Color	Factory
Customer Reviews	4.6 4.6 out of 5 stars (1,565)
Exterior Finish	Stainless Steel
Global Trade Identification Number	00083045525004
Included Components	Manufactuered Brand Product
Is Electric	No
Item Dimensions L x W	14"L x 5"W
Item Type Name	Tools
Item Weight	0.11 Pounds
Manufacturer	Lisle
Manufacturer Contact Information	Lisle Corporation
Material	Stainless Steel
Model Name	52500
Model Number	52500
Part Number	52500
UPC	083045525004
Unit Count	1.0 Count
Warranty Description	Limited Lifetime

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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S$46

Duties & taxes included

In stock

Sold byAmazon SINGAPOREDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to SINGAPORE.

Secure transaction

ProDesertcart PRO

Fast, free shipping, member pricing & priority support.

Join PRO →

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

Sneha T.

Received my product in pristine condition. Great service overall.

1 month ago

View all Trustpilot reviews