K&R Mercado Baseball-Specific Fast Shuttle 40 Pieces With Basket Batting Shuttle Training Ball Purchased but hardly used. Set Contents: Quantity: 40 pieces, with storage basket Weight per shuttle: Approximately 4g Feathers: Nylon Cork: EVA material Features: Shuttle exclusively for batting practice. The small feathers reduce air resistance, allowing for a straight trajectory. Smaller than a baseball, it helps practice hitting the sweet spot. It doesn't roll far like a ball, making retrieval less of a hassle. Straight Trajectory: The small feathers of the batting practice shuttle reduce air resistance when thrown, allowing for a straight trajectory. More practical training is possible. Less Retrieval Effort: It doesn't roll like a ball, saving the effort of going far to retrieve them. Although there are 40 pieces, retrieval is easy, allowing for efficient use of practice time. Injury Prevention: Being lightweight reduces the impact of hitting, minimizing the risk of injury. Baseball Shuttle Batting Shuttle Training Ball Badminton Batting Practice Swing Practice