METRIC arm tube diameters 35.30.25.20mm closed length 107.0 cm footprint max diameter 106.0 cm leg sections 22 material aluminum max load 9 kg maximum height 366.0 cm minimum height 124.0 cm section centre column 4 sections . 3 risers weight 3 kg IMPERIAL m tube diameters 35.30.25.20mm closed length 42.13 in footprint max diameter 41.73 in leg sections 22 material aluminum max load 9 kg maximum height 144.09 in minimum height 48.82 in section centre column 4 sections . 3 risers weight 6.61 lbs