The small, lightweight quick release plate has 3 holes side by side for the tripod screw. Assuming the outer hole, then be at the 1 J2, the compartment for the battery and memory card still open with fitted removable disk, they must therefore tighten only once and then can let off.
The screw of the release plate itself has an internal hexagon drive and a wide slit. So you can also go to loosen or tighten as needed with a Swiss Army knife, probably also fits a coin.
The stand is very stable and has, thanks to the legs ueberschlagbaren a very compact pack size. Occasionally, the extension height is not enough, if you want, for example, photographing over a balustrade about it, but you can not have everything. Is just a small travel tripod and intended primarily for light-hearted union carry around. I'm 1.65m tall and have the 1 J2 is at full draw altitudes sternum.
A great comparison test Sirui tripods can be found on the Dreamliner.