The Car Mechanical Cylinder Stethoscope is a diagnostic tool designed for detecting noise in car engines. It is capable of detecting frequencies ranging from 10hz to 10khz, making it ideal for identifying potential issues with various vehicle systems such as ABS, SAS, SRS, TPMS, EPB, and DPF. With a probe length of about 30cm and a diameter of about 3.3mm, this tool is lightweight at 0.15kg and made of durable materials such as rubber, plastic, and stainless steel. Perfect for both passenger vehicles and heavy-duty/commercial vehicles, this stethoscope is a reliable aid for mechanics in detecting car engine problems.