The Pro-Cut International PFM X9 Rotor Matching System features the company's Pro-Cut X9 on-car brake lathe with patented PFM one-button computerized compensation system. The four-wheel/four-axis fully adjustable trolley system includes an X-Frame lathe chassis, gib-less low maintenance gearbox, powerful high-torque drivetrain and six super bright LEDs. The DRO computer box is also digitally expandable to optional G2X and GYR systems. Adapter packages are available from three-lug cars to medium duty trucks and buses. This unit comes standard with a Speed Lock cutting head; an optional Precision-Match cutting head is also available.