The On Vehicle Disc Brake Lathe, No. WS-BL44, from ARI-HETRA is suited for trucks, buses, and light commercial vehicles, and is designed to save technicians time and increase efficiency while aligning rotors. The brake lathe features intermittent feeding, a motor with an adjustable spindle RPM, counter-balancing gas springs, and an automatic cutting feeder. It also includes an emergency stop button for safety and comes with a pair of cutting tools for the discs and an adapter ring for one bolt pattern.