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The heavy Gripmaster in black is a high-quality hand exerciser with spring-loaded finger piston technology. Its purpose is to isolate and strengthen each finger individually for better hitting, throwing and fielding. 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 heavy tension strength of 9 lbs. per finger promotes extremely h3 hands.
Continued use of the Gripmaster helps improve hitting, throwing and hitting as well as user control of bats, racquets, clubs, guitars and other sports equipment.