about this project Increase your grip: Increase your lifts. Great for strengthening your forearms, it's great for improving speed, strength and power in your wrists, hands, fingers and forearms. IDEAL APPLICATIONS: Excellent recovery and rehabilitation tool for Arthritis, Carpal Tunnel, Rheumatoid Arthritis, Tendonitis, Post-op, Tennis Elbow, Wrist Sprains and Broken Fingers or Wrists. Ergonomic: The ambidextrous design makes it suitable for men, women, seniors, teens and preschoolers as well as children, depending on age. Easy to carry: It is small in size, but more powerful in function. It is your good companion for exercising anytime and anywhere. High-performance steel: The spring is made of high-carbon steel, and the handle is wrapped in non-slip stainless steel, which is strong and durable. Non-slip, exquisite manufacturing process makes the handle safe, non-slip, soft, comfortable and wear-resistant.