Total Control Sports Batting Ball Perfectly weighted by design, Total Control Balls are used for optimum resistance to develop slow-twitch and fast-twitch muscles Optimum use with front toss, but can be used for side toss and tee work Features Size: 3.2" in diameter Weight: 425 grams (14.9 oz.) Instant Feedback Limited Space Required Perfect Weighted Design Long Lasting and Washable Soft Toss Without Net Safe for All Bats No Glove Required Available in two sizes, your choice of six or twelve balls to a package.