The DX Power Balls are steel shot. This 68mm DX Power Ball weighs 600g. The Power balls are designed to improve muscle tone in the arms. These are especially good for keen jugglers who tend to have slender arms. Ideally they should be juggled for 4-5 minutes every night.

All forms of physical exercise carry the risk of injury. Please dont juggle with these balls if you have wrist or arm injuries.