The secret of pyramid training is in the spheres...

Recommended for the pyramid program outlined on WebBall. Strengthen throwing through the fuill range of core, shoulder, arm mechanics. As you train, gradually increase the weight of the ball to build strength. Color-coded, split-leather covers for easy identification.

Baseball Set includes six 9" balls weighing 7 through 12 oz. Please note that regulation baseballs weigh 5 oz. with a 9" circumference. For use on practice days or as a component in pre-game warm-up, pitching short distance to a catch net only. For players 14 and up, with supervision. Note: not every instructor recommends weighted balls. (Bag not included.)

Softball Set includes four 12" softballs weighing 9 through 12 oz. Please note that regulation softballs weigh 5 1/2 oz. with a 12" circumference. For use on practice days or as a component in pre-game warm-up, pitching short distance to a catch net only. For players 14 and up, with supervision. Note: not every instructor recommends weighted balls. (Bag not included.)