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.
Sport: One step up from the Guide, for conditioning.  Perfect for weekend warriors, light warm-ups, high school athletes. 
 No. 1402 Sport @80 lb.  Each $25.95