Weight Ball (Ball Speed Up, Pitching Form Improvement) For Soft Baseball, Includes Japanese Instruction Manual and Storage Bag

New, unopened item.
12999

[6 Levels of Weight] This set includes six balls with varying weights, ranging from approximately 99g to 1000g. By gradually increasing the load while avoiding excessive strain, you can expand your shoulder's range of motion and promote improvement towards a powerful pitching form.

[Realistic Grip Replicating Seams] The special shape, mimicking the seams of a baseball, allows you to grip the ball with a feel close to actual game play. This strongly supports the acquisition of the correct release point while sharpening your fingertip sensitivity.

[Highly Durable & High-Grip Material] Made from durable rubber material that is resistant to friction, making it ideal for wall-based training. The surface features a non-slip matte finish, allowing for a secure hold even when your hands are sweaty, thus maintaining high-quality practice.

[Includes Japanese Instruction Manual] A Japanese instruction manual covering efficient training methods is included. Beginners can easily understand the correct form and exercises, allowing them to train effectively while minimizing the risk of injury.

[Convenient for Carrying] Comes with a breathable mesh bag and a maintenance cloth. Easy to carry for club activities or away games, allowing you to recreate a professional training environment anytime, anywhere.