The Easijust system offers instant height adjustment between 3 heights. This makes the 513 unit ideal for homes and schools where there are children of different ages. The Easijust unit is adjusted by releasing a knob on the back of the unit and sliding the pole to one of 3 height settings. Easijust system allows height adjustment from 8' to 10' (2.44 to 3.05m) Durable fan shaped polypropylene backboard measuring: 44" x 28" (112 x 71cm) 18" Steel ring (34cm) compatible with 215 flex ring Heavy duty pole for strength and durability Ballast requires 190kg dry sand or 110 litres of water Wheels for easy movement Approved by England Basketball and Basketball Scotland Size of box: 47" x 37" x 10" (119 x 95 x 25cm) Available with colour backboard or white backboard White Backboard Weight: 42kg