The U Just unit is an extremely popular portable unit for home and school use. The U Just system has 2 U shaped bolts which attach the board and ring to the pole, these can be adjusted allowing the owner to set the board and ring to there specified height. U Just system allows for any height adjustment up to official 10' (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 Weight: 40kg