The Pitcher's Pocket Pro Practice Screen is ideal for advanced pitchers. The Pitcher's Pocket Pro provides a range of targets for a pitcher to improve and evaluate his/her accuracy around the strike zone. It's like having a catcher that tells you exactly where the pitch was thrown! The Pitcher's Pocket Pro was developed for advanced pitchers, the 9 targets representing the actual size of the strike zone. The adjustable legs are perfect for dialing in the strike zone at any age level. Colleges and even pro teams have utilized the Pitcher's Pocket in their training routines.