Material: Brass housing and special diecasting alloy cylinder Finish : Chrome plated housing with nickel or nickel silver plated key ; Other finishes available, depending on volume. Mechanism : F16?12-pin camlock is a revolutionary design, it is a modular variation of the pin-and-tumbler design utilizing a 12 pin computer key. It provides pick proof and drill protection. KA, KD, master key, more than a million combinations available. Key pull : Clockwise or counterclockwise rotation, 90 degree or 180 degree. Application : It provides complete locking protection for metal or wooden equipment and cabinet door and furniture. It is well-designed with various sizes and functions to meet your high security and specific needs.