Description: Stethoscope car engine block diagnostic tool. This Stethoscope helps isolate engine problems by letting you 'hear' inside engine. You can settle the problems much easier by tracing sound of flowing water/ oil/steam with this tool. Used to identify piston slap, worn gears, faulty valves, water pump failure and defective bearings. Sensitive ear pieces and probe, shockproof handle. Package include: 1 x Mechanics Stethoscope 1 x Probe.