Well built-in aluminum stainless steel and sturdy.Precisely engineered, black anodized, sealing it against Screws onto a studs get fastened into a screw-hole by mean of included screws. It has a comprehensive protection mechanism for your screen. You can easily screw LCD monitor onto the friction articulating arm. Consists of two components. slides and locks into the other, and slide of a pin unlocks them. Provide quick-release functionality between cameras and accessories, and can be used with most any 1/4" gear.