The Oak Security 1CL/2CL (Cylindrical Lever) & 1CK/2CK (Cylindrical Knob) locks combine classic styling and innovative chassis design to provide a rugged and durable solution for today’s demanding commercial environment. The CL series trim is available in a variety of lever styles designed to coordinate with other OAK™ lock hardware, and available in multiple architectural finishes.

Whether in a college/university, hospital, K-12 school, government, military, manufacturing or other commercial environment, Oak Security can help you develop the appropriate Cylindrical specification to meet your needs, as well as assisting with many other product and master-keying needs.