Injury Rehabilitation: Daily hand workouts with this hand exerciser help recover in hand injury, rheumatoid arthritis, arthritis, carpal tunnel, tendovaginitis, fractured wrist, fractured wrist and tendon surgeryErgonomic and Comfortable: the Ergonomic fit well for all hand sizes. Suitable for large and small hand sizes suitable for men, women, elderly and teenagers.Portable: Generally they are small equipment so you can use them whenever and wherever you want.Resistance Levels for More Needs: Appropriate for most fitness levels, from beginner to advanced. Different resistances can let you targetedly do your training, increase finger strength and improve dexterity.About Shipping: All orders are shipped within 2-5 business days after payment is cleared. except holidays, the normal shipping time is 25-40 daysInjury Rehabilitation: Daily hand workouts with this hand exerciser help recover in hand injury, rheumatoid arthritis, arthritis, carpal tunnel, tendovaginitis, fractured wrist, fractured wrist and tendon surgery Ergonomic and Comfortable: the Ergonomic fit well for all hand sizes. Suitable for large and small hand sizes adaInjury Rehabilitation: Daily hand workouts with this hand exerciser help recover in hand injury, rheumatoid arthritis, arthritis, carpal tunnel, tendovaginitis, fractured wrist, fractured wrist and tendon surgery Ergonomic and Comfortable: the Ergonomic fit well for all hand sizes. Suitable for large and small hand sizes suitable for men, women