M3 and M4 Hex (Allen) key holder for rig with 1/4" 20 UNC camera screw hole.

To conveniently stow away the M3 and M4 hex Allen key which you sometimes need to adjust your gimbal/rig/etc.

Thread is about 8mm (+- 1/3") long in the short version.
The thread of the long version is 12.5mm (+- 1/2").