Our Slip Fit System is also referred to as the "Time Saver System" because of it's quick set up and take down time. The 2" Bases pair with any of our 2" Uprights or Telescoping Uprights and are typically suggested for taking your Pipe and Drape System taller than 8ft, hanging heavier fabrics or in areas of high traffic where tip over my occur. The larger bases paired with the larger pipe offers greater durability.