The lot of 10 adjustable thickness brackets allow you to create a socially distant environment between desks and at points of contact with customers or clients throughout your workspace. The permanent mounts screw into the desk or tabletop with 2 mounting screws and are perfect for use with acrylic or plexiglass panels. They can be used in multiples and can accommodate panels of any length, recommended up to 36 inches tall. They come standard in Black and are backed by a 5-year manufacturer's warranty.