Features: 1. The cylinder stethoscope is fit for the diagnosis of engine abnormal noise.Lightweight stethoscope allows the user to test for suspicious sound sources and quickly identify the source of engine noisep. 2. The engine stethoscope is made of high‑quality stainless steel material, which have high reliability, anti-corrosion, wear resistance, sturdy, not easy cracked, can be used for a long time. 3. 100% brand new high quality engine tester,strictly full tested to ensure the best quality before shipment, safe to use.Its detection function is very sensitive and can be used with different detection environments. 4. You can use the stethoscope to monitor the parts that make abnormal noises,including monitor engines, bearings, motors, chassis, gearboxes,etc,which is designed to detect and locate sources of abnormal noise. 5. The engine hearing tool is easy to install,can directly replacement for the old or broken one,perfectly match to your original.It can be stored separately, each part can be disassembled and stored separately​. Specification: Condition: 100% Brand New Item Type: Cylinder Stethoscope Material: Stainless Steel Package List: 1 x Cylinder Stethoscope Set