The perfect choice for second floor situations when the installation of sleeves are impossible. Each system is furnished with the identical features to the comparable floor sleeve units with the addition of a unitized self-contained powder-coated steel base unit.The modern compact T-shaped base is designed to hold all of Porter's 3-1/2" O.D. standards and provides a three-point tripod type support with an upright sleeve and tubular gusset to eliminate the need for additional cables or bracing. To meet the net tensions as required for today's competition power volleyball portable systems require floor anchors.