ABS + PC Impact Resistant Back BoardABS + PC Impact ResistantHeight (cm) Adj. Height 7.5 ft to 10 ft. (227 to 305 cm)RIM 58" 16mm solid steel, black, 3 pcs of 3 (76mm) pole system, Vinyl heavy duty base with transport wheel can be filled with Water (supports Wt.upto 150 Kgs.) or Sand (supports Wt.upto 230 Kgs.)