Remanufactured or rebuilt, Builders Automation Machinery [BAM] model CNC/MFSR stair router. Does contemporary, box and open stairs, and is the only machine available that also cuts the top and bottom landings. Programmable with a large library stored in the machine for almost all box and open stringers. Remanufactured to include new wiring, rebuilt spindle motors, new drives and is equipped with two variable frequency drive, 5 horsepower, 3 phase motors. Comes with a six-month warranty. Installation by the OEM is available at an additional charge. 230 volt, 3 phase, 60 Amp electrical requirements. 120 PSI at 35 CFM air requirements.