Meet the Rep Fitness Cannonball: a handy tool for grip and strength training that you can hang from a power rank or mounted pull-up bar. These cannonballs can also be attached to kettlebells and dumbbells to train your grip strength.
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You can choose from 3″ to 12″ diameters. Thanks to nylon straps and heavy duty stainless steel carabiners, you will be easily attach these cannonballs.
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