Ring Height: form fm 2.45m to 3.05m (7.5′ to 10′), quick power lift adjustment Rim Dia: 45cm (18″) Rim Material: 16mm steel Net Material: Weather proof nylon Backboard Size: 120x81cm (48″x32″) Backboard Material: Shatter proof PC, with PE pad Pole Material: 3pcs round pole,diameter: 86mm( 3.5” ) Base Size: 125x77x23cm Base Material: Blow Molding PE, can be filled with 140kgs water or sand Weight: 41kg