High Efficiency: Counterbalanced chains and gear assembly in the wall mounted backdrop kit make raising and lowering your backgrounds quick and easy, Portable operation saves time and effort. The backdrops are easy to fit into the rollers and are easy to switch out when needed. Holder mounts on the wall securely and keeps the paper unwrinkled and intact. NOTE: Chain colors are random!!! | Save Space: with 3 backdrop rollers to hang 3 different backgrounds at the same time. Easy to install, Smooth operation, Easily choose your wanted one and roll up the others, Helps to protect the background from kinking And Save more space in your studio. Adjustable friction control to prevent paper roll out, Allowing you to set-up your personal studio with ease. | Wall Mount Backdrop Holder: Fits the pipe with diameter of 1 3/4 - 3 1/8" (4.5 - 8 cm), An ideal set for small studio or home studio backdrop mount, Compatible with background paper, Photography cloth, PVC cloth. No need to disassemble frequently, Aperfect replacement for high priced electric photo backdrop roller system. | Double Installation: Photography backdrops wall mount can be able to hold backdrops weighing 22.05lb, Can be mounted both on the wall and the ceiling. Note: For safety, If you need to mount on the ceiling, It is suggested that the ceiling should be a concrete structure instead of wood ceiling or other is not solid. | NOTE: Perfect for Seamless Paper Photography Roller Wall Mount, Durability & light weight, This is a great unit for your permanent studio set-ups. (Can Be Purchased with The 10ft / 3m Stainless Metal Tube Crossbar Holder Pole: B099DS9CMT)