The Linkstar Background System BS-3031 for Cloth or Paper Rolls is a quick and simple system to assemble, making it ideal for use on location or in the studio. This system can be used in conjunction with both, paper and cloth backdrops. The stands are equipped with standard couplings so that they can be used for lamps and studio flash units. The crossbar consists of 4 sections, which can be attached to each other with head screws, allowing you to determine the width of the background. The stands are provided with a spigot with a 3/8” male screw thread.