It is used as a weight rack, or to train grip strength, for finger strength, and arm strength. For strength training, just put the barbell or dumbbell on the corresponding position, and then perform the exercise you like. The weight-bearing tray on the bottom could help you hold the barbell disks without worrying that they will fall down when you lift the rack. Features - Color: As shown. - Material: Steel. - Size: 23.00X7.00X7.00cm/9.04X2.75X2.75in. - It is used as a weight rack, or to train grip strength, for finger strength, and arm strength. - For strength training, just put the barbell or dumbbell on the corresponding position, and then perform the exercise you like. - The weight-bearing tray on the bottom could help you hold the barbell disks without worrying that they will fall down when you lift the rack. - A wonderful helper when you are exercising or just as a weight rack. - Adopted from material, it is durable and long lasting use.