The falcon eyes semi-professional background system b-8510 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 allen bolts, allowing you to determine the width of the background. The stands are provided with a spigot with a 3/8” male screw thread. This system can be used in combination with both a background cloth as welll as a background of paper or vinyl roll, it is advisable to purchase the cl- clip 3 as well (see optional accessories) in order to clamp as the rolls or cloths to the crossbar. With some additional upgrades (see optional accessories) you can extend the system so you can hang multiple rolls on to the system.