The STEELMAN PRO 60594 is a set of high quality stereo headphones to replace lost or damaged headphones used by the ChassisEAR 2 electronic diagnostic device. These headphones feature a fully adjustable band that can be customized to comfortably fit any size head. Capable of reproducing high fidelity stereo sound, perfect for diagnostic purposes, these headphones have a standard sized 3.5mm headphone plug and will work with any device that utilizes that size of connector. Compatible with, and identical to headphones used by, the STEELMAN PRO 60491 ChassisEAR 2 Electronic Diagnostic System.