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The extra heavy Gripmaster in white is a high-quality hand exerciser with spring-loaded finger piston technology. Its purpose is to isolate and strengthen each finger individually for better overall coordination. Continued use helps improve user control of bats, racquets, clubs, guitars, and other sports equipment. The Gripmaster fits conveniently in your pocket, allowing you to strengthen anytime and anywhere. The extra heavy tension strength of 11 lbs. per finger promotes extremely h3 hands.
Continued use of the Gripmaster helps improve user control of bats, racquets, clubs, guitars and other sports equipment.