Description
The Yale 5439LN is a Grade 1 heavy-duty cylindrical lockset engineered for industrial, commercial, and institutional applications. Its Free Wheeling lever mechanism, wear-resistant chassis plates, heavy-duty springs, and through-bolt construction deliver rugged reliability for high-traffic doors where security and durability matter most.
Compatible with standard cylindrical lock prep on 1 3/8" to 1 3/4" thick doors. Keyed or keyed-alike options available. As an authorized Yale dealer, E.D. Locks provides expert guidance on keying, installation, and product selection. Contact our sales team at sales@edlocks.com or 1-877-207-6067 for personalized assistance.
