From Tiffen and Mendy Pellin…
Universal dolly that will fit most tripods.
Video by Mendy Pellin
W4DX DELUXE FOLDING DOLLY FEATURES
Universal dolly will fit most tripods
Can be easily attached and removed; dolly folds for compact transport with handle.
Super heavy-duty deluxe wheels with wide tread and step-on brake that locks/unlocks rolling and swivel movement
Maximum Load: 75 lbs.
Folded Dimensions: 9″ x 24″ Wt. 6.5 lbs
Adjustable circle diameter up to 32 inches
Weight: 9 lbs.