This is terrific for holding your tripod stable, and allowing you to move it easily. Here are my pros and cons for this product:Pros:SturdySteelEasy to lock tripod legs inFolds and easy to storeMake moving tripod around a breezeGreat for panning shots over super-smooth surfacesCons:Don't try moving shots over anything bumpier than smooth glassWish wheels had a little more give so that every bump isn't transferred to the camera; maybe something like urethaneThe price changes are all over the map!That's about it for the cons, but not being able to do panning shots is a big disappointment. However, the portability *almost* makes up for it.In summary, get it for its construction, but be careful about the surfaces you want to roll over while shooting. Your videos will look like you're nervous.