HEAVY DUTY MATERIALS Patio Umbrella Accessories is made of pp and metal, very strong, surface black paint treatment, antirust, durable to use for years. EASY TO INSTALLThe deck umbrella Accessories can be quickly installed. FeatureOutdoor Umbrella Umbrella Key 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 APPLICABLEThese umbrella replacement parts are practical and classic tools, which can be installed in most umbrellas for more options in outdoor space. Size Chart: Crank handle 14cmx5.6cm or 5.51inchx2.20inch, Splices8mmx8mm or 0.31inchx0.31inch Parachute traydiameter12cm or 4.72inch, Apertures4cm or 1.57inch Package Includes: 1pcsPatio Umbrella Accessory Note: Please allow slightly errors due to manual measurement and different monitors.