Top Chi 1 lb. 1.5 Inch Solid Stainless Steel Baoding Balls with Carry Pouch. Non-Chiming Chinese Health Balls for Hand Therapy, Exercise, and Stress ReliefBrand: Top Chi Color: Silver Features: Solid steel balls provide an increased heavyweight resistance for working out your hands and fingers. 1 lb. weight is not too light and not too heavy for casual use that you can take with you to exercise whenever you have spare time Made of quality stainless steel which is hardened for extreme durability. A magnet will stick to hardened stainless steel. Won't rust, tarnish, or corrode. With these solid steel