ProAm USA Heavy-Duty 4" Wheeled Professional Tripod Dolly v2

The ProAm Heavy-Duty 4" Wheeled Professional Tripod Dolly v2 features clamping mounts for tripods with rubber feet, and it offers loop mounts for tripods with spiked feet. The metal tripod dolly with large rubber-lined lockable wheels allows you to achieve smooth dolly shots with your tripod as well as swing your tripod around in various ways. It supports tripod/camera combos weighing up to 100 lb. The dolly is foldable to fit into the included travel case, and it has a built-in handle so you can easily carry it when it's out of the case.