Remark £º 1¡¢The Track is 1805mm which doesn't include the size of the steel ring,and this size can be met according to the customer request¡£The thickness of the steel ring is 1016mm and we also satisfy the customer's special request if it is over 16mm¡£ 2¡¢The size between the left and right of the steel spring seat is around 860¡À100mm¡£