Abstract: A key duplicating device includes a movable carriage having a key tracer and a key cutter in mutually spaced relation, the carriage having a drive assembly for shifting the carriage relative to a pair of turrets for holding a key to be duplicated at a tracing station and a key blank to be cut at a cutting station. The device is characterized by each of the turrets including a pair of vises moveably mounted relative to the frame and detented whereby one vise of each turret is aligned at a respective cutting or tracing station and the other vise is displaced from such stations whereby the other vise may be loaded with a key and key blank while the machine is cutting and tracing the blank and key located at the respective cutting and tracing stations.