HL1591 Features: * For use on all locker doors except for single-point latch with recessed handles * Equivalent to master 1670 * Metal dial with non-slip coating * 7 pre-set combinations for extended usage * Supervisory Key Controlled * Zephyr Control Key for 1970 Lock * Equivalent to master 1670K Construction: * Steel construction Dimensions: * Overall dimensions: 2.85"" H x 2.3"" W x 1.06"" D Collection: * Zephyr locks collection