KEY REPLACEMENT # 421E EMERGENCY STOP PUSH BUTT/SELE 2-PK

This Harmony ZB, replacement keys (key no.421E) come in a set of 2 keys. 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.