Steelman 06608 ChassisEAR/EngineEAR II Combination Kit 16 ft. leads are designed to reach problematic locations on most vehicles Professional noise-cancelling headphones Six color coded, super sensitive microphone clamps attach to the problem area with 16-foot wire leads that can reach to all vehicle locations Clamp the six sensors on to springs, torque rods, shocks, body mounts, brakes, dash assembly, door hinges, drive train, rear or front axle, transmission, transfer case, suspension, sway bars, tie rod ends, struts, axle hubs, ring and pinion bearings etc. Electronic Stethoscope has a decibel meter with 7 sound level control settings from 60 db. to 120 db.