Description
This is a replacement exit device part for Arrow 3900/4900 Series mortise locks with nightlatch function. It is designed as a mortise lock case component to ensure proper operation of your existing exit device hardware.
To verify compatibility, confirm your lock's SKU and satin brass finish match this part exactly. For expert assistance with selection and installation, contact our sales team at sales@edlocks.com or call 1-877-207-6067.