Captains of Crush Grippers: designed and built for performance.
The gold standard for building and testing hand strength, Captains of Crush Grippers are the single most important grip strength tool you can choose--for the fastest route to the strongest grip.
CoC No. 1: If you've already been working out with grippers, start here; most people who lift weights can't close it at first.
No. 1251 (1 lb.) No. 1 @140 lb. $22.95