Xit XTDLT Elite Series Professional Universal Tripod Dolly with One Step Easy Lock and Locking Wheels (Black)

Flexible wheels for different tripods, great price too

nice professional quality and portability

I was going to give it five stars because it works with both my 48" Zeikos tripod and my 75" professional Vivitar 3-way tripod but two legs got jammed when I opened them to work.After I tried both tripods I was closing the legs and one of the legs locked. I couldn't maneuver it to close like the other two. Losing my temper-cuz I have a quick one-I pulled the leg closed only to have one of the knobs (two silver circles in the middle of the dolly) pop off. The little metal thing which I thought was a screw slid inside one of the legs and a spring popped out. I tried to get it back to the way it was but ended up losing the spring inside the leg as well.After vigorously shaking this dolly both metal-whatever that thing is-came out and the spring. I managed to fix that but had it happen again with another leg. I tried to gently close it but it wouldn't work so I had to yank that one closed scraping some paint off of the little locking hole.So needless to say I have to be careful how I open this dolly. That locking mechanism works so well it keeps me from being able to close it and put it in the bag.

Had no issues. helps with my workflow.