Rawlings Jack It Weight (9oz)

The HITJACK Batting Weight is the first and only weight in the game you can hit live batting practice with! It is a complete hitting system that provides immediate results. The HITJACK System quickly builds bat speed and power, and forces the batter’s hands to work properly, thus creating improved technique.
– Develop hitting power with resistance training
– Safe for live pitching
– Fits wood, aluminum and composite bats for baseball, slo-pitch and softball