Spherical wheel lock M14 x 1,5 x 27 mm and wheel lock adapter with external hexagonal drive 19 mm and 17 mm AF
<a href="//commons.wikimedia.org/wiki/User:Raymond" title="User:Raymond">Raimond Spekking</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>