A wall-mounted holder for standard 150 mm calipers. Other than most caliper holder designs, the caliper is held at the bottom, meaning that you can comfortably grip the caliper head and can directly start measuring, without having to adjust your grip first.
The holder is screwed to the wall using two 3 mm wood screws.
Warning: The holder does not work if your caliper has a little plate such as the following at the bottom:
The author hasn't provided the model origin yet.