Pow'r Wrap® bat weight, the only approved attachable weight for softball and Little League, Excellent on-deck and off season training weight. Baseball Pow'r Wrap. Fits 2 5/8" and 2 3/4" diameter bats. Weighs 24 ounces. Legal for use in all baseball leagues. Used by all the Major League teams. Tough polycarbonate plastic will last for years. Weighs more than most donut weights and distributes weight more evenly on barrel of bat. The bat warm-up weight for the 21st century!