Hand-grip strengthener (2-pack, Blue) for working the muscles in the fingers, hand, wrist, and forearm Ideal for enhanced sports performance, injury prevention or recovery, and stress reduction Made of PP and ABS plastic with a durable spring and a comfortable non-slip rubber grip Level of resistance can be easily adjusted; designed for women and men of all skill levels Measures 6.1 by 4.3 by 0.8 inches (LxWxH); weighs 0.3 pounds - Strength, recovery and dexterity - Adjustable resistance 20-90lb - Strong iron spring - Easy twist resistance dial - TPE rubber anti-slip grip

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