Do you want to build all your strength and size? Do you want tears to kick people's eyes when you shake their hands? The Captains of Crush Gripper are in a class of their own. They are recognized worldwide as the gold standard in building and testing grip strength in their most elementary form, and Captains of Crush Gripper are a legend in the world of weight training, known not only for their quality and tradition, but also for their magnetic power that exceeds their size. They are the first choice for strengthening the work hand/forearm, leisure training, injury prevention/rehabilitation and maximum performance in hand strength. All this means that you substantially increase your grip strength through regular use. They are only as strong as your weakest muscle, which is usually the forearm. When you strengthen these muscles, you will increase your overall strength and size. And since they are made by IronMind, you know they are strong enough! Available in 11 resistance levels, so you have the perfect device for you.