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