Grade 1 Cylindrical Locks
Grade 1 Lever/Knob locksets extra heavy duty residential, commercial, institutional, and industrial applications. Interior and exterior doors for schools/universities, hospitals/healthcare facilities, offices, factories, public buildings, religious, retail, and government facilities.
Designed for industrial, commercial and institutional use, the Yale® 5400LN Series heavy-duty cylindrical lockset offers no compromise when it comes to rugged reliability and performance. With key construction features such as our Free Wheeling lever mechanism, wear-resistant chassis plates, heavy-duty lever return springs and through-bolting, this Grade 1 trendsetter proves time and again why it’s the favorite among architects and building owners who demand the highest standard of product quality. Learn More$181.50