The Spalding 61423 NBA Highlight 44` Basketball Hoop Incorporates Insta Hoop technology with Eco-composite rectangular shaped backboards, Telescoping backboard mount easily adjusts rim height from 7.5`(229cm) to 10`(305cm) in 6`(15cm) increments. Including a three piece, 3`(7.6cm) diameter vertical pole system for easy assembly.