HEAVY DUTY MATERIALS Patio Umbrella Accessories is made of heavy steel and pp, very strong, surface black paint treatment, antirust, durable to use for years. EASY TO INSTALLThe umbrella accessories can be quickly installed. FeatureOutdoor Umbrella accessories, Umbrella Side Hanging Umbrella Courtyard Central Column Umbrella Accessories SPACE SAVINGThanks to the accessories on the balcony railing, you can leave more space for using. WIDELY APPLICABLE: These umbrella replacement parts are practical and classic tools, which can be installed in most umbrellas for more options in outdoor space. Size Chart: Handle Inner accs: 8.3*6.3cm/3.27*2.48inch Handle Axis: 8.3cm/3.27inch Handle Arm: 12cm/4.72inch Stand Base Sleeve: 5.3cm/2.09inch Package Includes: 1pcs Patio Umbrella Accessory Note: Please allow slightly errors due to manual measurement and different monitors.