Light, stable, inexpensive but with a slight deficiency

I have for a year a Joby Gorillapod SLR clamp tripod. The removable disk is with the exchangeable and separately to obtain this ball head. Because of the thin design disturb the removable disks on my cameras at all, if they remain mounted. Now I have each bought a ball of Joby a monopod and a tripod. For my needs, the removable disk can sufficiently firmly mounted on the camera so that there are no problems with slipping or twisting by the camera weight. (A maximum of 1.5 kg).

However, I noticed another problem, which interferes with the precise horizontal alignment. Because this inexpensive spherical head has no friction screw, one uses the normal locking screw to increase the friction to such an extent that the camera is still moving, but has also been sufficient support for aligning. Eg If the horizontal alignment is set and you then attracts the set screw, then the head tilts under the pressure about 2 degrees towards the screw. This happens even without a camera, so regardless of the load. Due to the integrated spirit level this a result of lightweight construction is performed right in front of eyes.

I can live with that, because it is just a minor travel gear and I already took into account the expected 2 degree change in the alignment. When I look at the only slight lack, it's because of the relatively low cost or no perfection to be expected.