LV1Hand, LVFungo, LV Heavy/Light Training Bats Complete Set!In the MLB, players who have a higher average exit velocity, have a higher batting average and hit more homeruns, improve your skills with this 4 8 week program! Using our top quality wood, we handcraft a set of training bats that when combined with a Over Under load program (we are happy to provide one from a top tier hitting trainer, if requested) will be used to improve bat speed. The light bat helps improve bat speed while the heavier bat builds