The preheat insulation with cable harness is designed for Miller's ArcReach Heater air-cooled induction heating system. Air-cooled heating cable coils of various sizes can be attached directly to this preheat insulation. Once a coil is set up it can easily be moved from part to part reducing setup times. The insulation is 10 foot long, 1/2 inch thick, and 16 inches wide, and can be cut to length to fit your application. Heating Cable NOT Included.