Exercises the muscles and joints in your hands, wrists and forearms to vastly improve performance when it comes to hitting, throwing, pulling, pushing, holding and control of sports equipment. If you've ever been concerned about the size of your forearms in comparison with the rest of your arms, then consistent use of wrist strengthen will increase your forearm muscularity. Certain adjustable hand grip allows you to work out each individual finger to develops and maintain strength and dexterity. This is excellent conditioning for not only athletes, but also musicians and patients. The length of time that you can apply a specific amount of force will be increased. This is ideal for gripping onto things, carrying heavy items, pulling etc. without hand fatigue. Batteries IncludedNo Brand Renton Color Multi Included Components Hand Strengthener Length12 Centimeters Width15 Centimeters Height3 Centimeters Weight140 Grams Material Type Polypropylene Number of Items 1