ATEC T3 Batting Tee - Players use batting tees every, single, day. It is the most important piece of training equipment and our T3 tees are a staple in every Major League batting tunnel. The T3 is precisely engineered and built with industry leading materials to minimize swing interference and maximize positive contact zone feedback. The T3 is designed to exceed the needs and expectations of MLB players and coaches. Our professional tees come with a full 1-year warranty and can quickly be set up and taken down for maximum portability.