Come and see our amazing products. Hand exercise rings build strength in the fingers, hands, wrist and forearms. The finger exerciser is perfect for athletes, musicians and physical therapy patients. The rings can also be used for effective interval training with 30lb, 40lb, 50lb for choice. It will strengthen your wrists, improve the dexterity of your fingers and increase the strength your hands. The silicone exercise ring is not easy to tear. Pls confirm with us about the packing info, stock color and exact production time before placing your order.