The aperture wrench adjusts its size just like a camera lens.
Inspired by the ‘diaphragm iris’ mechanism found in camera lenses, Jordan Steranka created the wrench that can be adjusted to different sizes, by rotating the red side dial.
Steranka explains:
“Inspired by the apertures in cameras, the idea was formed to create a wrench to fit any size nut.”
Read more about the Aperture Wrench on Behance
It would be a little better it could be madelike a socket too.
where it is possible to buy ?