Von Duprin #210K Knob Trim for 22 - series panic device. The function of this trim is that the key unlocks the trim. The knob can be left unlocked via the key. Therefore the panic device can be unlocked for entry during "business hours" and then locked again via the key at the end of the day. This trim does include the cylinder which is a standard 5 - pin Schlage C keyway. |