The Ultimate Training Pack includes our most popular training tools to help hitters improve. By packaging them all together, you also save significantly!The Ultimate Training Pack includes:* An Overload/Underload Training set — complete with two overload bats (barrel and knob) and one underload bat. * A Small Barrel Training set — including one bat that serves as an underload and one that is either an overload or gamer-feel (depending on level of play). * A Long Bat Trainer — measuring 35.5” and weighing in around 36 ounces.*** Note: The selected bat length will be used for the small barrels and overload/underload set. The Long Trainer will remain 35.5” long, regardless of bat length selection. ***