NEEWER 3-Roller Manual Background Support System Phone Rigs The bag has smooth wheels

The bag has smooth wheels at the bottom and a handle on the top of the bag which can help you carry it more conveniently

Curved Tip with Adjustable Opening- The curved tip fits perfectly for convex lens with curved or slanted retaining ring

40mm) is optimal for repairing and cleaning lenses and watches

After that

5in (51 to 220cm) and provides flexible height regulation

NEEWER 3-Roller Manual Background Support System Phone Rigs The bag has smooth wheelsFeatures This manual background support system is a perfect substitute for an expensive electrical roller system. Durable yet lightweight. Counter balanced chain and gear assembly make raising and lowering your backgrounds quick and easy. Assembly and operation instructions are included. Very easy to install on your studio wall or ceiling. Economical and convenient. Use with PVC or aluminum tube (Not included) Perfect for muslin backdrop support