Master Runner for Sixtrack Curtain Rails. Attach to Hauling Line to Curtain End. Ball Raced for Smoothness & Durability. 6Kg Safe Working LoadFor smoothness and extra strength- all six track runner wheels are ball raced. The advised runner spacing: 300mm bunched length of runners: 35mm/runner. Max load per runner 6Kg. SWL: 6KG
Click here to go to eBay to buy, and for more information about this product