Cent CANIK Tritium Pro Night Sights Front sight FOCUS LOCK ring for even faster focus Quick and accurate U-notch Design Angled rear sight edge for emergency one-hand operation Assembled in USA with quality Swiss Tritium for maximum brightness Unmatched visibility in low-light shooting conditions or complete darkness Utilizes quality Swiss tritium for maximum brightness Glows-in-the-dark no batteries or light exposure required FORTRESS FINISH provides a permanent protective coating for maximum protection Snag resistant design / fits standard holsters