The EI-7004C Universal Middleweight Tripod Dolly from E-Image opens and locks into place with a retaining screw, and supports payloads up to 132 lb. It can hold tripods with dual-spiked feet in place with rubber tabs near each wheel. The dolly also features a sliding bracket on each of the arms for holding flat-footed tripods. These brackets can be positioned almost anywhere along the arms of the dolly and locked into place, and can be adjusted in size to accommodate any style of rubber tripod foot.
E-Image EI-7004C Universal Middleweight Tripod Dolly with Locking Wheels