321 STRONG Finger Strengthener Gripper for Guitar Provides the perfect amount of tension ( 4 lbs per finger ) for strengthening fingers , hands , wrists , and forearms Strengthening your grip and fingers is important for so many activities and is easy with our comfortable hand exerciser One of the best guitar accessories , our finger strength trainer makes great gifts for players of electric , acoustic , and bass guitars alike Very portable , strengthen and exercise your hands and forearm under your desk at work The best physical therapy rehabs use this equipment for increased dexterity for occupational therapy , after surgery recovery , carpal tunnel treatment , and as workout grips for arthritis relief Provides a consistent 4 lbs per finger Specifically tuned for strengthening fingers Also works well forhands, wrists, and forearms Ergonomic comfort base resists hand fatigue Small size is travel friendly Increased dexterity Restore mobility Enhance finger flexibikity Reduce joint stiffness Develop guitar chord skills