Description Description: Material: This Awning Rail Stopper is made from 304 stainless steel, ensuring durability and resistance to rust even in saltwater environments. Dimensions: The screw length is 0.49inch and the overall size of the Awning Track Stopper is 0.98inch, making it compact yet effective. Coverage Plan Support and Wind Protection: The 8mm Cylindrical Stainless Steel Awning Accessories provide good support for your coverage plan and offers wind protection, making it ideal for outdoor use. Easy Installation: Simply screw this into your marker rails to prevent markers from sliding along the rail, providing a secure hold. Wide Application: The Stainless Steel Awnings Accessories is suitable for motorhome, boat, car, RV, yach, etc. Specification: Total Length: 2.5cm/0.98inch Screw Length: 1.25cm/0.49inch Diameter:8mm/0.31inch Package Includes: 1Awning Rail Stopper 1 Nut Note: Please allow slightly errors 1-2cm differences due to manual measurement.