It can improve finger strength for athletes (rock climbing enthusiasts, fitness, tennis, baseball, boxing, tennis, golf and shooting) and musicians (guitar players, bass players, pianists and violinists). See results fast using your new hand exercise equipment.^ The strength trainer is ergonomically designed and fits well for all hand sizes, which perfect for men, women, seniors and teens. It is great to fit into your gym bag or handbag. You can get repetitions in while commuting, at the office or anywhere These finger stretchers with 3 levels resistance (3kg/6.6lb 4kg/8.8lb 5kg/11lb),use different levels based on force requirement.^ If you or a loved one have pain and symptoms of any of the following conditions this rheumatoid arthritis, arthritis, carpal tunnel, tendonitis, tennis elbow and are on the way to recovery from a fractured or broken wrist, or tendon surgery, then this is the perfect gripper for you.^ Our finger extensor exerciser has a small size and modern looking. You can use it while walking, traveling (car, airplane, bus), in office, school, watching TV or any place you want to exercise.^ Made from 100% Sanitary silicone, BPA free, primary Silicone material, stain odor resistant, environmental durability.