Car Engine Cylinder Abnormal Sound Stethoscope Detection Auto Repair Tool 1. Quickly lock the engine noise source 2. Sound source oscillation conduction characteristicsamplification and output to the left and right conduits 3. Rubber cavity sound source conduit, flexible and tensile, anti-aging, more durable, less clear sound loss 4. Suitable for abnormal engine noise, chassis transmission bearing, missing cylinder misfire, valve intake and exhaust 5. Comfortable to wear, clear sound, no burr on the part in contact with the ear, it is safer not to hurt the ear canal 6. Wide range of application fields: metallurgy chemical industry mining motor ship aircraft machine tool, etc. 7. Material: stainless steel + metal + soft glue 8. Length: stainless steel tube 153mm, soft rubber tube 595mm 9. Dimensions: Earpiece: 104x46mm, Headphone: 9.7x10.3mm, Sound Shock Drive Amplifier: 116x36mm 10. Weight: about 209g Applications: 1. Applicable to all parts of the car, can quickly detect abnormal noise parts 2. It can monitor various parts such as engine bearing, motor, chassis, gearbox, etc. 3. Suitable for maintenance technicians, repairers, vehicle maintenance personnel, safety inspectors, and personal vehicle repairs 4. Applicable to various types of machinery and equipment such as automobiles, ships, aircraft, machine tools, etc. 5. Can locate the crash and squeal from the engine to the dashboard 6. Diagnose the rattling sound of the piston, the wear sound of the gear, etc.