You can order a 1-inch diameter shade spring measuring 23 3/4 inches in length suitable for roller tubes with a 1-inch diameter and 42.5-inch length from Elkhart RV Parts. When you add the items to your cart on our website, the available shipping options and costs, including expedited shipping, will be displayed. To ensure timely delivery, especially around holidays such as Labor Day when carriers experience delays, we recommend placing your order as soon as possible. Unfortunately, we do not currently offer discount or coupon codes, but we provide consistent pricing and excellent customer service for all orders.