This versatile barbell set is perfect for chest, biceps, arms, triceps and back muscles. It includes two 7.5 kg plates, two 5 kg plates, two 1.25 kg plates and one 2 kg barbell bar and has a total weight of about 30 kg. This set allows the users to variably select the weights they want to lift for different exercises. These plates are made of cement with a plastic shell and they can easily be secured onto the bars with the included spring locks. The weight is clearly stamped on each plate for quick and easy identification.