Engineered to maximize stability during cutting, the 10 ft (3.05 m) track system is purpose-built for the Norwood PortaMill PM14. Precision-extruded aluminum rails are reinforced with powder-coated steel cross members, providing a rigid carriage track that’s easy to transport and quick to assemble in the field. Mill logs of any length by adding one or more optional 5 ft (1.52 m) track extensions (Item No. PM04).