The Power Balls are the ultimate training tools for working grip strength while doing pull-ups.4″ will provide more difficult/advanced workouts than the smaller 3″ counterparts that we offer. From pinch strength to core exercises the Power Balls provide more advanced rock climbing training options than your standard hanging tools. Sold in pairs.
4″ Diameter Balls
Open handed design for ergonomical training
100% made in USA
Install anywhere using a carabiner, chain, or webbing.
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