Overall strength, muscular development, and athletic performance requires the support of strong forearms, wrists, and hands. Even daily activities like carrying bags and opening jars require a strong grip. The Strauss Hand Grip and Wrist Strengthener is a simple yet effective training tool for overall improved performance... Easy to Use and Beneficial for Anyone A grip and wrist strengthener is the perfect equipment to help improve your performance in sports like golf, tennis, weight lifting, CrossFit, gymnastics, wrestling, and more. It s also ideal for those in need of rehabilitation after an injury, and great for making daily tasks easier, like opening jars and carrying heavy bags. It s sure to benefit any active lifestyle! Six strength levels allow you to increase grip strength over time to support the overall musculature of your arms. Small and compact, you can use it anywhere, anytime, to build the supporting muscles of fragile hand and wrist joints for overall improvement.