ATEC T3 Batting Practice Tee The T3's telescopic design allows the ball height to be quickly adjusted (range of 23-43 Inch) Our helically wrapped neoprene cone is designed to minimize resistance during contact, giving hitters optimal feedback on every swing The unique shape and construction of our cone promotes both minimum resistance and maximum durability The patented quick release system gives the hitter the ability to set up and disassemble the T3 in a matter of seconds