2016 Car diagnostic tools Car Engine Block Stethoscope Automotive Detector Auto Tester tools Diagnostic tool Engine Analyzer Features: Brand new and high quality This mechanics sonar scope helps isolate engine problems by letting you \’hear\’ inside engine. Quality chromed-steel construction with soft PVC hose and probe Detectable frequency range: 10HZ–10KHZ Anti-shocked design Material: Rubber & Plastic & Stainless Steel Probe Length: Approx. 30cm Probe Diameter: Approx. 0.33cm Package Contents: 1 * Engine Analyzer 
