Roller Materials. Stainless Steel, Aluminium, Carbon Steel. Roller Length (mm) 0-200, 200-400, 400-600, 600-800, 800-1000, >1000. Condition. New, Used. Being the leader in the industry, we manufacture and supply the quality oriented range of PU Wheels. Atmost Priority while manufacturing these wheels is given to the specialised Bonding Process.