Powernet Weighted Softballs | 8 Different Weights Included | 4 to 12 oz

INCREASE ARM STRENGTH AND VELOCITY: Introducing this set of 8 weighted balls with raised seams from 4; 5; 6; 8; 9; 10; 11; and 12 oz; This set will help guide players into building arm strength and velocity; Great for all skill levels from beginner to advanced and professional. INCLUDED THROWING PROGRAM: The 8-week throwing program included with the set will break down specific drills and number of throws to help players reach optimal levels of performance. DURABLE CONSTRUCTION: Constructed with a durable genuine leather cover for a real softball feel; These softballs are not meant to be used for hitting. REDUCE THE RISK OF INJURY: The various weights allow players to focus on building arm strength and proper form to lower the risk of injury; Great for all positions including pitchers; Perfect for warming up before a game or cooling down. POWERNET BRAND PRO ENDORSED BY Carli Lloyd, German Marquez, Jared Walsh, Fernando Rodriguez, and Andrelton Simmons.