Markwort 9" Weighted Leather Baseballs

These are 9" Baseballs with Weighted Core, Synthetic Cover and Yellow Stitching. Made for Arm and Hand Strength Training. As You Train, Gradually Increase the Weight of the Ball as You Build Strength in Your Throwing Arm. Color Coded Cover Indicates the Ball Weight. Available in 2oz., 3oz.,4 oz., 5oz.(Regulation weight), 6 oz., 7 oz., 8 oz., 9 oz., 10 oz., 11 oz., and 12 oz. Weights