Please be advised: We will be closed on April 10th in observance of Good Friday.
ATTENTION: Due to the COVID-19 outbreak we are cutting our hours to 9:00am-4:00pm EDT, Monday-Friday until further notice.
We are still shipping Monday-Friday at this time.
In store pickup is currently unavailable.
In stock orders placed in the next will be shipped today.
|Manufacturer||Monarch Exit Devices|
|Special Shipping Type||No|
The Monarch / Dor-O-Matic / Falcon 600339 NL Spring Package converts the 179L , 712L, 712K, 912l and 911K to an NL function. The NL function is one were the Lever Handle can not be unlocked and left in the unlocked position when the key is removed. Spring has a 5/8" diameter. See attached instructions.