Designed for transporting boxes, steel containers and boards. They can be used as an internal transportation system, storage area or a compact conveyor. The zinc plated steel track frame is punched at 26mm pitch & is 70W x 60H mm. It accommodates the 50mm diameter conveyor rollers fitted with precision bearings which are available in either plastic or steel. A plastic roller with a 71mm diameter flange is also available. The load capacity per roller: Plastic - 30kg. Steel - 120kg.