Premium Material: Made of high-quality iron with white zinc plating, this material is rust-resistant and corrosion-resistant, providing reliable support for hanging lamps and lanterns. Strong Practicality: The round universal light fixture crossbar is available in four main shapes and sizes to fit most fixtures on the market; however, it is not adjustable. The adjustable cross butterfly includes two screws to modify the crossbar length, while the cross fixture mounting bracket allows rotation of the two crossbar brackets to accommodate various fixture types. Scope of Application: This flush mount ceiling light fixture crossbar plate serves as a universal component for wall lights, ceiling lights, ceiling fans, pendant lights, vanity lights, and chandeliers. It is commonly used in lighting fixture installations. Easy to Use: The product includes all necessary accessories for quick and easy installation. The crossbar mounting bracket is designed for convenient assembly on electrical junction boxes; please verify size compatibility before purchase. Long Working Time: Six models are available, labeled A1 through A6, including round universal, adjustable butterfly, and cross-shaped options. Choose the appropriate model based on your specific needs.