Do you want build your overall strength and size? Do you want people to shed a tear when you shake their hands? Captains of Crush Grippers are in a league by themselves. Recognized around the world as the gold standard for building and testing your grip in its most elemental form, Captains of Crush grippers are a legend in the strength world, known not just for their quality and their heritage, but also for their magnetic power that defies their size. They are the first choice tool for working hand/forearm strength, recreational training, injury prevention/rehabilitation, and ultimate feats of hand strength. All this means that if you use them regularly you will substantially increase you grips strength. You’re only as strong as you weakest muscle which tends to be your forearms. Increasing your strength in these muscles will increase your overall strength and size. And because there made by IronMind you know there strong enough! Available in 11 Resistance Strengths for a Perfect