Smoothly roll your Red Lock or SDS tripod smoothly across the floor using the D834/A Extendable Standard Tripod Dolly from Cartoni. Constructed from an aluminum alloy, the dolly features ball bearing wheels and arms that can be set in six positions set at 60° apart. It can directly support a 100mm head on its center and has a maximum diameter of 45.2" in standard mode and 39.5" in doorway mode. This extendable dolly has a built-in carry handle and cable guards on each wheel.