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Improve Your Arm Strength! With The Markwort 9 oz Weighted Leather Baseball.
Develop Better Swing Mechanics, Hand-Eye Coordination And Confidence For More Hits And Power with the Hit-A-Way The World's #1 Baseball Swing Trainer!
Real Science, Real Performance!
This Pro resistance ball is the perfect tool for the that will help take care of your arm at an advanced resistance level. This ball offers a full range of motion resistance training. The baseball on the end features a game-realistic grip.