The STEELMAN is for use with the STEELMAN TracerEAR/EngineEar series of products. The wand consists of an ultrasensitive microphone and amplifier provides a full range of sound to assist the technician in troubleshooting. The included probe enhances the wand’s ability to isolate noises with no unwanted sounds bleeding in allowing the user to pin-point the location of worn bearings and bushings, noisy valves, lifters, broken or worn gear teeth, faulty fuel injectors, wind or air leaks, and annoying squeaks or rattles.