Crysle Gel Hand Exercise Balls are an excellent exercise for your lower arms. Simply squeezing the balls in your hand will cause all of the muscles in your fingers, hands and forearms to work. This will help to improve grip strength, hand endurance, dexterity, muscular tone and fine and gross motor skills. This will improve performance in a variety of different sports, including tennis, gymnastics, rock climbing, martial arts, weightlifting and golf. It will also make many everyday tasks easier such as opening jars and carrying bags. They are also a great way to relieve stress after a long day in the office! Brand: Crysle Box contains: Set of 1 Balls Specifications: 80 * 80MM, 70 g Different colors represent different strengths: Yellow 15 degrees, pink 25 degrees, blue 30 degrees
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