Zinc alloy die cast housing and cylinder. Stainless steel capped bezel. Yellow die-chromate plated standard. 5 disc tumbler mechanism. Brass keys, nickel plated. Key may be withdrawn in one or both positions. 5 sizes available. Various cam configurations and rotations available. C610XS cam is affixed by screw or nut and fixed available. other size cam affixed by screw or fixed only. Hex nut or speed clip mounted. All keyed alike or 25 key combinations standard. 100 combinations available. Master keying is available.