The spring tension is very good, the tablet is held easily. In addition, avoid the padded support surfaces from sliding. The screening of the rough sizing is so tight that there not adjusted even on bumpy roads.
For me particularly noteworthy: as I already had a holder for my TomTom, I had with this system only exchange the unit holder and was able to keep the base support.
Conclusion: In the holder is the now rare sentence to read "Made in Germany". The fact is, these are actually here to find mile-wide differences from the usual China-cheap plastic rattle. The Gripper is so thoroughly recommended and worth every penny.