Set of 2 keys 520E

This Harmony ZB, replacement keys (key no.520E) come in a set of 2 keys. It is compatible with Harmony XB4 and XB5 booted selector switches. This keys set consist of 2 replacement keys to provide a spare option for lock unit that allows a secure manner for authorized staff to operate your machines. It is compatible with standard latching mushroom head push buttons and selector switches units.