I paid $360 and only used a few times (changed professions). Selling it for close to 50% less = $199.
Also selling a EZ Jib in a separate posting.
The folding dolly maintains a tripod at a constant and secure spread and guarantees instant maneuverability around a studio or on location.
Individually braked wheels
Folding legs for transporting and storage
Info from BH website: It can support large video and photo tripods with round feet. The 5" wheels with independent brakes, cable guards, and unique leg locking system make this dolly very stable. It's also foldable for transport.