DESIGN & CONSTRUCTION: Heavy-duty, durable steel for long-lasting performance Store and organize dumbbells, kettlebells, medicine balls, Olympic plates and more Plastic foot caps to protect floors Includes 4 Olympic plate storage posts and 4 weight plate collars Weights not included SPECS: Maximum weight load on top rack: 100 lbs. Maximum weight load on each dumbbell rack (middle and bottom): 300 lbs. Maximum weight on each weight plate post: 180 lbs. Assembled Dimensions: 52" L x 20.2" W x 35.9" H