The Echo Arms helmet mount to fit the SiOnyx Aurora night vision camera utilizes the Fast Attach Mount as a base to mount the camera to any helmet with loop to stock to. The mount itself is 6061-T6 aluminum with mil spec black Anodize for corrosion resistance. All hardware is stainless steel for corrosion resistance. The mount is designed so that the 1/4-20 mounting screw is captured and cannot fall out. Includes correct hex key. Camera and loop for helmet not included.