【HEAVY DUTY MATERIALS】Patio umbrella accessories are made of PP and metal, providing strong and durable construction. The surface features a black paint treatment for rust resistance, ensuring long-lasting use. 【EASY TO INSTALL】Deck umbrella accessories can be quickly and easily installed. 【FEATURE】Outdoor umbrella key, side hanging umbrella, courtyard central column umbrella accessories. 【SPACE SAVING】Designed to mount on balcony railings, helping to save space and improve outdoor area usability. 【WIDELY APPLICABLE】These umbrella replacement parts are practical and compatible with most standard umbrellas, offering enhanced flexibility for outdoor spaces. Size Chart: Crank handle: 14cm x 5.6cm (5.51in x 2.20in) Splices: 8mm x 8mm (0.31in x 0.31in) Parachute tray diameter: 12cm (4.72in) Aperture: 4cm (1.57in) Package Includes: 1 piece patio umbrella accessory Note: Please allow slight variations due to manual measurement and differences in display monitors.