The CanDo® Dumbbell Mobile Studio Rack – 1100 lb Capacity can hold 10 columns of dumbbells. It is great to keep your dumbbells safe and organised. The mobile studio rack has casters with locks so it can conveniently be moved and placed safely inside your exercise room or fitness studio. Measurement : 39″ L x 19″ W x 33″ H, Weight: 53.0lbs, Weight capacity : 1100 lb. Dumbbells are sold separately.