The NB1AC Combination Posts allow Badminton, Netball and Mini Tennis all to be played using one set of posts. A green zinc plated steel upright, dia. 50mm, simply slots into a powdered coated wheel away base. The posts have reinforced holes and welded cleats to allow badminton and mini tennis nets to be easily fitted, and are supplied with a standard 10mm solid steel netball ring, dia. 38cm (with net) that adjusts in height, in 30cm increments, from 2.44 to 3.05m. One 17kg counterweight per base is provided for added stability.