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.
No. 3.5: Bridge the gap between the CoC No. 3 and the CoC No. 4. IronMind will certify your accomplishment if you close a No. 3.5 under official conditions.
No. 1253.5 (1 lb.) No. 3.5 @322.5 lb. $22.95