Premium Material: Made of high-quality iron with white zinc processing, this material is anti-rust and anti-corrosion, providing excellent support for hanging lamps and lanterns. Strong Practicality: The round universal light fixture crossbar is available in four main shapes and sizes to accommodate most fixtures on the market; however, it is not adjustable. The adjustable cross butterfly comes with two screws to modify the length of the crossbar, while the cross fixture mounting bracket offers flexibility by allowing the rotation of the two crossbar brackets to fit various fixtures. Scope Of Application: This flush mount ceiling light fixture crossbar plate serves as a universal component in various applications, including wall lights, ceiling lights, ceiling fans, pendant lights, vanity lights, and chandeliers. It is widely utilized in fixture installations. Easy To Use: The product includes all necessary accessories for quick and easy installation. The crossbar mounting bracket is convenient for assembly on electrical junction boxes; please ensure the size compatibility before making a purchase. Long Working Time: There are 6 models available, labeled A1 through A6, which include round universal, adjustable butterfly, and cross-shaped options. Please select the appropriate model based on your specific requirements.