Features:
Perfect for muslin backdrop support system.
This manual background support elevator is a perfect substitute for expensive electrical roller system.
Counter-balanced chain and gear assembly make raising and lowering your backgrounds quick and easy.
Installation and operation instructions included. Very easy for installation on your studio wall or ceiling.
Durable yet lightweight.Economic and convenient.

Specifications:
Package Size: 36.5 * 21 * 27cm / 14.4 * 8.3 * 10.6in
Package Weight: 5.703Kg / 12.57Lbs

Package List:
2 * Tri-fold hook
6 * Expansion stick
3 * Chain
3 * Counter balance
8 * Fixed screw for hook

Note:
You can use with PVC or aluminum tube(not included) to support your backdrops.