RV window support rod, high performance, easy to use and long service life. It has the function of opening by bouncing automatically. When the window is closed, there is a lock on the handle to secure the window in place. Made of high quality aluminum alloy, with light texture, high toughness, and oxidation resistance. Suitable for installation and use on vehicles such as caravans and yachts. Maximum extended length is 230 mm (9.1 inches), compressed length is 180 mm (7.1 inches). How to use: Direct installation and use. Item Type: RV Window Support Bar Features: Aluminum Alloy, Rust Resistance, Light Texture, Auto Function Application: For Opening and Closing RV Windows Color: Silver + Black Material: Aluminum Alloy Package Contents: 2 x RV Window Support Bar Note: Light and display differences may cause slight color variation between the image and actual item. Measurement allows for a tolerance of +/- 1-3 cm.