Rukket 9pk Weighted Baseballs / Softballs | Heavy Balls for Hitting, Batting, Pitching Practice (1lb /16oz x 3in diameter) (9 Pack): Baseball and softball strength and power training aid to feel the drive of the bat through the ball Instant Feedback: Know right away if you hit a home run or a miss-hit! Limited Flight: Practice in small areas or limited space w/o a batting net required Best Practice: Use with front toss, but can be used for side toss and tee work Rukket Strong Material: Each ball weighs (1) pound and is 3 inches in diameter