Negligence to finger training may lead to physical issues over time. FingerWeights helps prevent this by isolating both the extensors and flexors, the muscles responsible for opening and closing the fingers. Fingerweights are uniquely designed to be worn during functional, everyday activities. They feature an easy to slip on design can fit virtually any size finger. It stays comfortably and securely on your fingers while being used for general exercise, therapy and rehabilitation. Promoting speed and finesse in addition to strength. FingerWeights are ideal for athletes, musicians, eSports and general wellness. Train your fingers and hands while practicing your musical instrument, training for your sport, playing video games, practicing your favorite hobby or just by walking around the house. Recommended by renowned Rheumatologist Judith E. Frank, FingerWeights are the only training and exercise equipment for your hands that does not ask you to do anything outside of your norms. And has been shown to help patients with hand and finger conditions improve dramatically. These FingerWeights come in multiple colors and can be used as a standalone device or in conjunction with other training and exercise equipment. Included with this set are 10 Multi-Colored FingerWeight Rings, 30 ten gram (10g) Stainless Steel Weight Rods, Instruction Pamphlet, and a Storage Pouch.