Features: Weather resistant hand cranked curtain header with rust proof iron rack and aluminum alloy housing withstands harsh outdoor conditions like intense sun and heavy rain. Ergonomic crank mechanism enables smooth, effortlessly curtain adjustment, feature universal compatibility with various curtain systems. Ideal for renters, DIYer enthusiasts, and households seeking hassle less upgrades to outdoor living spaces or commercial installations. Perfectly adapts to patio enclosures, garden sunrooms, and balcony setups requiring durability, weather resistant window treatments solution. Environmentally design combines recyclable materials with tool less installation for secure mounting on multiple surfaces types. Specifications: Component: plastic and stainless steel Suitable for most kinds of outdoor environments, waterproof and rust-proof design to ensures smooth operation in bad weather. Package Includes: 1pcs Hand Crank Roller 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.