Amar Industries offers Duly Rubberised Twin Aerial Roller. Amar Industries is an ISO 9001: 2000 accredited company supplying a wide range of products based on Transmission Lines, Stringing Equipment and industrial Tools. The Duly Rubberised Twin Aerial Roller is a chill cast roller made of aluminium and comes mounted on ball bearings. The Duly Rubberised Twin Aerial Roller is suitable for application as a material handling equipment in various industrial usages.