This cylinder stethoscope is a must-have tool for any automotive mechanic or DIY enthusiast. Its high-precision detection capabilities allow for accurate testing of engine problems, saving time. The simple operation steps make it easy to use, even for beginners. Its multi-functional design also makes it a versatile tool for testing other mechanical equipment. With its durable construction, it is for any garage or workshop. Features -Color:Black -Material:Stainless steel,plastic -Size:111.00X7.50X4.70cm/43.62X2.95X1.85in -High-precision detection capabilities for accurate testing: the tool has advanced detection capabilities that allow for accurate testing of automotive issues, particularly engine noises. -Simple operation steps for easy use, even for beginners: designed with user-friendly operation steps, making it easy to use, even for those who are new to automotive diagnostics. -Versatile tool for testing other machinery as well: in addition to diagnosing automotive issues, the tool can also be used to test and diagnose problems in other machinery and equipment. -Rugged construction built to withstand daily use: constructed with durable materials and a rugged design, ensuring that it can withstand the demands of daily use in an automotive mechanic or diy enthusiast workshop. -Essential tool for any automotive mechanic or diy enthusiast: considered a must-have for automotive mechanics and diy enthusiasts, as it provides testing of the internal workings of engines and helps identify and solve issues effectively. Package list: 1 x cylinder stethoscope