The sure shot 514 game portable basketball unit is an entry level full size unit with three height settings and easy transport feature the unit has a durable polypropylene backboard that measures 44 112cm by 28 71cm and is fitted with an 18 45cm steel ring with net the 3 76cm telescopic pole is easily height adjustable between 8 244cm and 10 305cm the mobile base of the unit requires 190kg 418lbs of dry sand or 110 litres 242gal of water to ensure maximum stabili