Education

Industry trends, new products, and company news.

Designed to use with mortise and cylindrical devices on single and pair doors.

SLD now features ligature-resistant door hardware from TownSteel.

Discover the simplicity of Locknetics.

Browse our massive repository of manufacturer resources.

From July 11, 2018: Learn how to find the item you want, and how easy it is to checkout.

From June 14, 2018: Experience a full walk-through of seclock.com with an SLD team member.

Can be used on virtually any opening in healthcare environments.

Secure classroom doors simply, safely and reliably.

Modern convenience. Exceptional connectivity. In a single, superior platform.

Company News

We’re expanding!