The Eye Ball Batting Aid Batting aid designed to help baseball players become better hitters. Polyurethane, regulation-size baseball molded around a nine foot, high-quality nylon rope with a plastic handle. Works like a pitched baseball. Speed, angle of the pitch and flight of the ball can be adjusted on every swing. Improves hand-eye coordination.Easy to use with no assembly or set-up required. Attractive clamshell 5.75"W x 9.5"H (2.5" wide base). For ages 7-adult. Properly fitted batting helmets are recommended for all participants.