The Willem Hand Griper 20 KG resistance, will increase strength in wrists, arms, shoulders. It is easy to operate, light, safe to use, portable and convenient. Willem Hand Griper will strengthen the power of arms, wrist and shoulder. Be suitable for lover of golf, badminton, tennis, baseball or basketball. Willem Hand Griper is coinciding with ergonomic. The handle is made with soft and high density foam, so you will feel more comfortable when used. Willem Hand Griper is light and handy carry, used at home, office, gym or outdoor exercise.