The Foba CESRA Universal Stand Base can be attached to the Combitube sections with its thread. This Combitube system is the most acclaimed kit used in professional studios to make product shots easier.This tripod base plate comes with a thread that allows you to attach it to varied Combitude sections of measurements 8", 16", 32", and 64"It features a round platform base of diameter 12", which has a grip handleYou can also add stability to the Foba CESRA Universal Stand Base with a sandbag when large softboxes are used