Guitar Hand Exerciser Strengthener - 2 Pack - Premium Quality Portable Exerciser for Guitar, Piano, Violin - Perfect for Musicians - Train Both Hands Simultaneously PLAY BETTER - The more flexible your fingers are, the better you can play your instrument. We have designed our Hand Exercisers so you and your instrument can be at your very best. BUILD UP STRENGTH - Benefit from our Hand Exercisers not only to improve your fingers flexibility but also to build up wrist and forearm strength! Train each finger individually with up to 7lb of tension with our especially engineered piston technology. 2 PACK - Why waste time and exercise one hand at a time? Our Hand Exercisers, unlike others, come in an amazing 2 pack so you can train your hands both at the same time! PORTABLE - We are - just like you - always on the go. Our Hand Exercisers let you strengthen your fingers at anytime, anywhere. Whether you use them at home, in the office or on the way to your next gig. HIGHEST QUALITY MATERIAL - We make no compromise on material and quality. We use the highest quality material. Feel confident in using for yourself and your friends & family.