Features: Effortlessly replace damaged components of your outdoor setup with these user friendly patio umbrella replacement parts and sliding door pulley set, designed for quick installation without professional assistance. Crafted from plastic and steel construction, these weather resistant replacement pulleys and adapters withstand harsh outdoor conditions while maintaining smooth operations. Ideal for homeowners and garden enthusiasts seeking reliabled maintenance solution for patio umbrellas, sliding screen doors, or outdoor living spaces. Perfect for upgrading worn out components in backyard gazebos, poolside shade systems, or terrace screen doors during seasonal maintenance. The precise engineered sliding pulley systems ensures seamless functionality for patio umbrella cords and screen door rollers, enhancing durability across varying weather environments. Specifications: Component: Plastic Size: about 6.8cm/2.67inch Scenarios: Outdoor courtyard｜Tao garden｜Fixed parasols by the pool Package Includes: Pack of 10 Plastic Pulley Components note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.