The PR model is designed as a combo Plasma Router table giving you full production capabilities with the Router or Plasma option including 3D Routing. The PR is available in several sizes with the 4860 being the a great space saver. The PR Models are all designed with a heavy duty Steel frame construction, Steel Tube Gantry with Plate Steel Uprights, Linear Guide Rails and Bearings, Precision Anti-Backlash center driven ball screws on all axis, high end electronic components, and many other industrial components .The 4860 is designed to produce high quality products while only taking 79" x 81" floor space.