Rubber tube, rubber topper, horn tube, ball support, baseball and softball, tee accessories. Baseball tee topper replacement made of rubber one-piece molding, durable and impact resistant. Universal design fits most baseball, softball,and T ball batting tees. The rubber is soft and hard, stretchable. Wide Application. Universal design fits most hitting tees, the rubber is soft and hard, stretchable, perfect for baseball, softball. Specification: Material: Rubber Color: Black Size Chart: Length: 20cm/7.87inch Large hole diameter: 4.5cm/1.77inch Small hole diameter: 2.5cm/0.98inch Package Includes: 2 Pieces Baseball Batting Trainer Rubber Topper Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful online shopping!