Description
The Yale 5439LN is a Grade 1 heavy-duty cylindrical lockset designed for industrial, commercial, and institutional applications. It delivers rugged reliability with a Free Wheeling lever mechanism, wear-resistant chassis plates, heavy-duty lever return springs, and through bolting to withstand demanding environments and high-traffic use.
This lockset is compatible with standard cylindrical lock preparations and installs with conventional through-bolt mounting. As an authorized Yale dealer, E.D. Locks provides expert guidance on specification, keying options, and installation support. Contact our team at sales@edlocks.com or 1-877-207-6067 for technical assistance or to discuss your project requirements.