These brackets provides a way to attach your QHY PoleMaster or iOptron iPolar to your telescope or mount for polar alignment.  For example, you can attach the camera directly to a Vixen bar on top of the scope, or in a finderscope shoe, etc.

The universal brackets consist of two parts:  a bracket for your camera and one of several different attachments.

Dedicated brackets do not need an "Attachment" but attach directly to the mount.