Zee Model across the world at competitive prices. We ensure to deliver zero-defect products as our quality monitoring team, check and verify the quality of the product in different parameters. This kind of castors is unique in its operation on even grounds and surfaces. A-1 castors find its wider application in office chairs, platform trucks and trolleys. All over the world our products have made a matchless mark as best quality castors as we always strive to maintain customer satisfaction.