anodized aluminum, CNC-machining, lightweight and full durability for long service life. quick release standard clamp mount with 1/4"-20 threaded hole and adjustable knob. Exquisite technology, beautiful appearance designed, small and portable, providing you good using experiences. You can attach on the top or side of camera cage with standard Adjustable knob lock handle, 360 degree adjustment, keep the device from blocking the lock handle and lock easily.