"Sometimes folks are a little overwhelmed by the size of the Unistrut Catalog, so we have been busy preparing a series of videos that cover the basics. In this installment of our new video series, we'll explain (and show) the available slot and hole configurations available for our most popular channel style--Unistrut P1000. If you are trying to determine load capacities for Unistrut channel, we'll even walk you through load reductions created by the presence of holes and slots. To watch the video, click on the the arrow in the image below."