Includes: 4 pcs 3" Double Crossbar Coupling Connectors. | Increase Crossbar: The backdrop hanger has a proper size, allowing you to use with pipe and drape set so as to increase double crossbar to your frame. | Match with Different Uprights: Backdrop Stand Connectors is suitable for hanging on uprights with slots, making a crossbar parallel to the original one.The connectors are essential accessories for photographers, and other professionals who use backdrop stands for their work. | Sturdy and Reliable: Made of steel, the valance hanger for backdrop is sturdy and reliable, not easy to break or deform, providing you with a long time using experience. | Various Types of Application: The backdrop stand double crossbar coupling connectors are applicable for backdrop, wedding decoration and so on, allowing you to enjoy a beautiful wedding occasion.