Description
REPLACEMENT BALL: Real tennis ball with brass and plastic grommet to use with our Eye Coach trainer..TENNIS PRACTICE EQUIPMENT: See an improvement in on-court tennis skills with only 5 minutes a day..LONG USE: Replace the ball in the tennis ball machine after about 8 hours of use..PORTABLE SELF-TRAINING TENNIS TRAINER: Practice off-court with no distractions anywhere, anytime..EYE COACH: Trusted tennis training equipment used by clubs, professionals, and trainers worldwide.