Product Details:

Used when 1/4" (6mm) Thick Panels Are
Installed
Each of the Rod System Connectors come with screws to attach 3/8
inch (10 millimeter) panels. If 1/4 inch (6 millimeter) panels are
intended for use with this system, these
CRL
Rod System Set Screws are long enough to properly
clamp the panel in the Connector.