When using tall uprights, generally 14 feet or more in height, you need a sturdy and solid base that has a lot of weight. Our heavy base is heavy-duty steel and includes a 6″ tall Slip-Fit base pin with each base. Here are our recommendations based on your display height:
10-18 foot or 12-20 foot adjustable uprights = 24″ x 24″ Ultra-Heavy
(61 lb.) base.