PROHANDS PRO Professional Hand Exercise, Finger Exercises (Grip Strengthener), Spring Loaded Piston System, Isolate and Exercise Each (Blue, Red)

THE ORIGINAL SPRING HAND AND FINGER EXERCISE - Prohands is used by professional athletes, world class musicians and as a rehab tool. High-quality components made of ABS plastic, stainless steel springs and santoprene approved. Strength, power and endurance for athletes: Exercise each finger individually or the entire hand. Insulates and works each finger individually for power, dexterity and endurance. Dramatically develops the strength of the hand, wrist and forearm. Rehabilitation and prevention (stronger and healthier hands): Ideal for people looking to develop hand muscles. May help with arthritis, carpal tunnel, neuropathy and poor circulation. The Prohands Hand Exerciser Range (2nd Image): VIA is our entry-level model, GRIPMASTER is our signature model, GRIPMASTER-Rehab features an extra palm cushion, and PRO is our most advanced model for professionals and motivated people. Different Voltage Levels: Progressive voltage levels help the user measure progress. Via, from 0.5 kg to 2.7 kg; GRIPMASTER, from 0.5 kg to 4.1 kg; GRIPMASTER-Rehab, 0.3 kg to 4.1 kg, PRO, from 2.3 kg to 5.9 kg. By isolating each finger, stronger fingers cannot compensate for the weaker ones.