Heavy duty materials: Patio umbrella accessories are made of PP and metal, providing strong and durable performance. The surface features a black paint treatment for rust resistance, ensuring long-lasting use. Easy to install: These deck umbrella accessories can be quickly and securely installed, making setup simple and convenient. Space saving: Designed to mount on balcony railings, these accessories help save space while maintaining functionality. Wide application: These umbrella replacement parts are practical and compatible with most standard umbrellas, offering versatile options for outdoor shading solutions. Size details: - Crank handle: 14 cm x 5.6 cm (5.51 in x 2.20 in) - Splices: 8 mm x 8 mm (0.31 in x 0.31 in) - Parachute tray diameter: 12 cm (4.72 in) - Aperture: 4 cm (1.57 in) Package includes: 1 piece patio umbrella accessory Note: Slight variations may occur due to manual measurement and differences in display monitors.