Four-Wheel Vertical Medical Cylinder Cart Load Capacity 2 400 lb Cylinder Capacity 50 Cylinder Storage Orientation Vertical For Max Tank Dia 4 1/2 in Caster Wheel Dia 4 in Caster Wheel Type Standard Caster/Wheel Configuration (2) Rigid (4) Swivel with Brake Overall Depth 57 1/4 in Overall Width 55 in Overall Height 38 in