Help your Practice, Playing and Performing by safely supporting your Tuba! 3-stage adjustable support covered with non-slip rubber to provide the ideal position for both students and professional musicians of all abilities. Free Height Adjustment for optimal position setting by choice. Strong and low profile legs for comfort sitting in limited space situations. Specifications Height: 320 mm – 600 mm (12.6″ – 23.6″) Weight: 2.28kg (5.02 lbs) Load Capacity: 25 kg (55.1 lbs) Base Radius: 235 mm (9.25″) Folded Size: 106 mm x 101 mm x 585 mm (4.2″ x 4″ x 23″)