The United Scientific Support Stand with Rod forms the basis of getting started setting up your chemistry laboratory. The stamped steel base features an added steel plate on the back, increasing the weight, for added stability. The steel plate also has sturdier threading of the rod into the base. The steel base dimensions are 15.24 X 22.86cm (6″X9″) and the steel rod is 60.96cm (24″) long. Clamp Holder and Clamps sold separately.