Bownet 4-Seam Flat Spinner Pitchers Trainer Ball BN-FP 4-SEAM SPIN

Bownet 4-Seam Flat Spinner Pitchers Trainer Ball BN-FP 4-SEAM SPIN   The Flat Spinner is perfect for pitchers of all ages looking to develop their spin. The  4-Seam Flat Spinner is a pitcher's training aid that helps improve grip, develop spin, and increases overall pitch control.  Raised Seams Real Leather cover softball with flat sides to focus on spinning the ball.  The black centerline is used to indicate correct spin and rotation on every pitch.  Specifications: Weight- 1 lb Shipping Box Weight- 3 lbs Shipping Box Size- 4" x 4" x 4" Master Carton- 6 ea.