Adjustable hand grip strengthening device - 6 levels of resistance for hand strength - adjustable for therapy and pain relief

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Product description

Design types: Message Color: Multicolor Voltage: None Power supply: None Charger certificate: None Type: Strength training equipment Activity: Running and exercises Materials: Silicone Specifications: Single piece Composition: 100% polyurethane Batteries required: No battery Charger: None Contains batteries: No