Duncan Pop 'N Hit Bat, you can easily pitch to yourself or your friends. Simply PULL, & POP - Balls pop every time. The Pop 'N Hit has a unique patent pending design that pops balls out one at a time for perfect practice. The pop-up self pitching mechanism at the end of the bat launches balls 5' to 10' in the air to allow for a full swing. Features a 28" length and a durable, high-impact plastic construction.