WIDE COMPATIBILITY: This Tripod Dolly is suitable for standard and professional tripods and light stands. It is the perfect dolly that enables smooth roll movement for your tripod or light stand from one location to another without lifting UPGRADED SMOOTH & DURABLE LARGER WHEELS: Equipped with larger 3-inch wheels with individual brakes and pull-buckle lock design to increase the dolly stability. Metal ball bearing casters with non-marring wheels ensure smooth rolling on any hard surface EASY USE WITH ADJUSTABLE LEGS: Just line up each tripod foot and twist the thumb screws to tighten each clamp. Legs extend length from 6.89 inches/ 17.5 centimeter to 15.75 inches/40 centimeter to accommodate tripods of various dimensions, and flip locks secure the extension HEAVY LOAD CAPACITY: Max load capacity is 50 pounds/22.68 kilograms for optimal performance; Features adjustable clamps to lock just about any size of tripod foot into place securely LIGHTWEIGHT AND PORTABLE: Folding design with adjustable length legs and carry handle and carry bag. Two of the legs fold down to create a compact package for transport, adding great convenience for outdoor photography