【Material】: This outdoor patio umbrella accessory is made of PP material, which is wear resistant and sturdy, ensuring durability and longevity. 【Functionality】: It features a swivel head and handle for easy adjustment and control of your umbrella's position, providing optimal shade in your outdoor space. 【Feature】: The outdoor patio umbrella accessory is easy to use, allowing smooth operation when opening and closing your patio umbrella. 【Space Saving】: Designed to mount on balcony railings, this accessory helps save space and improves usability. 【Application】: These umbrella replacement parts are practical and compatible with most umbrellas, offering added flexibility for outdoor shading. Suitable for Roman-style umbrellas and other standard patio umbrellas. Specification: Material: PP Size Chart: Crank Handle: 13.2 cm x 8 cm / 5.20 inch x 3.15 inch, Hole Diameter: 3.8 cm / 1.50 inch Swivel Head: 13.9 cm / 5.47 inch Pulley: 6.6 cm x 1.2 cm / 2.60 inch x 0.47 inch Package Includes: 1 Piece Outdoor Patio Umbrella Accessory Note: Please allow slight measurement deviations of 1-2 cm due to manual measuring.