The Kupo Aluminum Tube for Uncored Paper or Fabric Backgrounds comes in two pieces that can be quickly fastened together to create a solid core, perfect for holding paper or fabric background rolls that lack cores. It allows you to effortlessly set up background rolling systems by inserting the tube into the roll of paper or fabric and complementing it with the Kupo background paper drive set (KP-DS01) attached to both ends of the aluminum tube, ensuring smooth operation. Additionally, the tube can work with paper rolls that have cores to prevent core bending due to the force of gravity. We recommend using simple drawer liners to fill the gap between the tube and the roll, preventing the tube from spinning inside the roll. Furthermore, it can be used as a regular crossbar, seamlessly combining with Kupo's Super Convi clamps and J hooks to diversify your background display options.