It consists of a female safety screw 1/4 "-20 and a button. It replaces all buttons on arms and bases of size B with a diameter of 1".

It provides the ideal leverage to properly tighten your mount to prevent slippage in heavy winds or extreme vibration environments.

Low profile and adds only a small amount of additional bulk to your system compared to the typical button included.

This added peace of mind and durability comes at a very affordable price. The perfect accessory to keep your embedded electronic device safe from theft and tampering.