The Basic Ball Tripod's aluminium hemisphere has 14 different ⅜” – 16 female connectors to allow for a wide variety of stance configurations. Three heavy-duty aluminum tripod legs, removable rubber feet, and eight ⅜ set screws are included. Specifications: Weight of hemisphere: 177 gr (6.2 oz) Diameter of hemisphere: 6 cm (2.4 in) Length of one tripod leg without foot: 16.5 cm (6.5 in) Diameter of rubber ball foot: 3 cm (1.2 in) Total weight: 585 gr (1lb 5 oz) Estimated payload: >20 kg