1.PRECISE PERFECTION Our pitch training baseballs are carefully crafted to meet official size and weight standards. With a circumference of approx. 9 inches and a diameter of 2.8 inches and an optimal weight, they are suitable for both practice and real game scenarios. 2.DURABILITY Improve your pitching skills with our high quality training baseball, which features a durable rubber core construction and PVC outer shell. This baseball is designed to withstand tough training and frequent use, guaranteeing aspiring pitchers longlasting performance. 3.ADVANCED SKILL DEVELOPMENT Improve your pitching skills with our innovative fingerprint marking system. Designed to facilitate learning the grips for fastballs, curveballs, sliders and more, it speeds up the learning curve for pitchers looking to refine their techniques. 4.VERSATILE TRAINING TOOL Whether you are left or right handed, our pitching training baseball is suitable for all players. The strategically placed fingerprints allow for different grip types and make it a versatile tool that encourages the improvement of skills in different casting techniques.