This Classic Arena, by Premier Equestrian, offers a simple, classic design that is safe, lightweight and easy to install. For permanent or temporary installations, the Classic Arena is available in either the post anchor system or the base weight system. The posts are 5" x 5" x 16" and the rails measure 1 1/2" x 5 1/2" and are set at a height of 14". The Classic Arena includes two decorative round ball caps for the gate area.