Description
The Yale 5421LN is a heavy-duty cylindrical lockset built for industrial, commercial, and institutional doors. This Grade 1 lock delivers rugged reliability with a Free Wheeling lever mechanism, wear-resistant chassis plates, heavy-duty return springs, and through-bolting for maximum durability and performance in high-traffic environments.
Compatible with standard cylindrical lock preparations. Installation requires basic carpentry skills; pre-drilled doors simplify setup. As an authorized Yale dealer, E.D. Locks provides expert guidance on specification, keying options, and installation support. Contact our sales team at sales@edlocks.com or 1-877-207-6067 for personalized assistance.
