Description:[Material]: The corner connectors are made of 304 Stainless Steel with mirror polished treatment, which makes sure the connector is stable and durable, anti-corrosion and anti-rust.[Design]: With its angle adjustable design, the curtain rod elbow connector can be easily adjusted from 90 degrees to 180 degrees, allowing you to customize it according to your specific requirements.[Installation]: The sturdy window hinge elbow connector is easy to install by loosening the screw with a hex wrench, inserting the connecting rod, and tightening the screw.[Wide Application]: Flexible corner curtain rod connector is suitable for bay window, rods of bay window, extra-length window, etc, used for the living room, kitchen, bedroom, dining room, bathroom, etc.Specification:Length: 33mm / 1.3"Diameter: 25mm / 1"Inner Diameter: 19mm / 0.75"Material: 304 Stainless SteelPackage Included: 2 x Curtain Rod Corner Connectors, 1 x Hex Wrench