Adjustable height for comfortable use while sitting or standing 1″ (2.54cm) chrome plated steel tubing Stable five-leg cast aluminum base Removable stainless steel tray: 19.25″ x 12.62″ x .75″ (48.90cm x 32.05cm x 1.91cm) 2″ (5.08cm) Dual wheel nylon casters Height: 29.25″-48.75″ (74.3cm x 123.83cm)