The chuck is in semi-rigid plastic + rubber, thus avoiding to make scratches on the target. Fixing front wheel is more significant when one wants to roll the empty bike.
The small tool tray is not very big but we appreciate the attention paid to the small magnetic surface allowing not to lose screws, nuts and other small mechanical parts.
If you are a professional or you have to maintain a large number of different bikes or you are a large number to use, this foot may be tedious to adjust the height for each user / bike.