4 Pieces Finger Strengthener Hand Exerciser Trainer Spring-Loaded Hand Grip Finger Exerciser Tool for Guitar Practice Rock Climbing Training and Physical Therapy

【High frequency vibration】 The 5-speed adjustable vibration mode, 6 levels intensity,from weak to strong, adjust according to your own requirements, can stimulate the nerves, expand the blood vessels of the pores, thus promoting blood circulation and eliminating the numbing effect of the arm.Auto 10min operation when you press the mode,this time is fit for most of people.
【Heating】 Heating temperature could not be adjustable, need 5-6 minutes to reach 45 centigrade,can effectively penetrate the skin, apply to the depths of the skin, eliminate fatigue from the hands caused by long hours of work and make your hands are full of energy .
【Outstanding massage point】 Special massage head, massage for the hand, the grip is better and more comfortable, while training, you can effectively massage the different points on the finger, the intensity is uniform, which helps the hand recovers.

THE ORIGINAL SPRING-LOADED HAND & FINGER EXERCISER: Prohands is used by professional athletes, world-class musicians, and as a rehabilitation tool. Made from high-quality components ABS plastic, stainless steel springs and approved santoprene.
STRENGTH, POWER & ENDURANCE FOR ATHLETES: Exercise each finger individually, or the entire hand. Isolates and exercises each finger individually for strength, dexterity, and endurance. Develops outstanding hand, wrist and forearm strength.
REHABILITATION & PREVENTION (STRONGER, HEALTHY HANDS): Ideal for anyone wanting to develop and maintain strong healthy hands. May help with arthritis, carpal tunnel, neuropathy, and poor circulation.