anodized aluminum, CNC-machining, lightweight and full durability for long service life. Exquisite technology, beautiful appearance designed, small and portable, providing you good using experiences. quick release standard clamp mount with 1/4"-20 threaded hole and adjustable knob. Adjustable knob lock handle, 360 degree adjustment, keep the device from blocking the lock handle and lock easily. It can be installed on cold shoe, camera cage or standard rails, and with video monitors, microphones, video LED lights through hinged arm, ballheads and others.