Spalding 72307 NBA 52 Inch Helix Lift Portable Basketball System

Features and Benefits Backboard Material: Poly Carbonate-- Portable Base Name: Hercules(tm) Base--Sand or water-filled portable base with a front cover that acts as a rebounder. Height Adjustment System: Helix(tm) System--Push thumb button to activate. Rim: Pro Slam Rim(r)--Heavy-duty solid steel rim that has 1/2" support arms for aggressive play. Pole Shape: Round--Standard pole Backboard Pad--Provides added protection against injuries. Key Specs Pole Diameter: 3.5 Inches Pole Pieces : 3 Poles Adjustable Height Minimum: 7.5 Feet Adjustable Height Maximum: 10 Feet All Weather Basketball Net--