SKLZ Contact Weighted Training BallInstant Feedback On Contact SKLZ Contact weighted training balls are weighted to instantly show whether contact is solid. Square hits fly straight, but any off-center contact is wobbly and short, making slight mistakes obvious. Thus training can be focused and efficient, resulting in more consistent contact, better follow through, and a stronger overall swing.SKLZ Contact Weighted Training Balls feature: * Instantly shows when hitters make solid contact * Develops proper follow through and a stronger swing * Built to last with solid, durable materials * Contact ball weighs 15 oz. A SKLZ...So Athletes Can Be Ready