SKLZ Baseball Training System...All-In-One Kit! SKLZ Baseball Training System features: Great for improving hitting, fielding and pitching Bundles core training items for better value Bring power and accuracy to all your practice drills Great for educational classes, intramural drills, team workouts or for individual practice Can be used by everyone from players to parents to coaches Perfect for camps or in your own backyard Includes: Bullet Band: Improves core strength Lateral Resistor: Improves speed of lateral movements & first step quickness especially off the base Power Handle: Improves rotational strength and increase strength in connection with the ball Reaction Ball: Develops quick hands and reflexes which aid in catching and fielding balls Speed Chute: Maximizes top running speed to get you to the ball and bases faster SKLZ Baseball...Time-Tested Training Aids!