Material : Brass, or zinc alloy housing and cylinder with brass or steel key Finish : Chrome ; nickle, satin nickel plated housing available with nickle plated key ; other finishes upon request Mechanism : 7, 10 radial pin tumblers mechanism utilizing a tubular key. KA, KD, Master key system, 200,000~1 million combinations available. Key pull : Clockwise or counterclockwise rotation ; 0, 90 or 180 degree. Application : Protections for cabinets, lockers, mail box, elevator, coin-operated machine... etc.