It consists of two components. slides and locks into the other, and one pin slides unlocks them. It has a complete mechanism for your display. You can easily screw the LCD screen into the friction articulating arm. Provides quick release functionality between cameras and accessories, and can be used with most any 1/4" equipment. Well integrated and sturdy aluminum stainless steel. Precision-engineered, black anodized, sealing it against corrosion. It is screwed into a screw or fastened into a screw hole by means of included screws.