Softball
Bat

The bat used by the batter can be made of wood, aluminum, or composite materials such as carbon fiber. Sizes may vary but they may be no more than 34 inches (86 cm) long, 2.4 inches (6 cm) in diameter, or 38 ounces (1.1 kg) in mass. The standard barrel diameter for both slow pitch and fast pitch softball bats is 2 + 1 ⁄ 4 inches. Many players prefer a smaller barrel, which reduces mass and allows higher swing speed.

Although there are a variety of bats used, there are several that are banned due to performance enhancement. For example, with a thinner wall, the ball recoils faster off the bat, allowing it to travel further. Many bats may be "doctored" or "juiced" by being end loaded, shaved, or painted. End loading of a cap refers to the addition of weight manually placed at the end of the barrel to distribute more weight at the tip. Shaving bats require machine use in order to remove the inner walls of the bat to improve elasticity. Lastly, illegal bats may be painted to resemble legal ones.
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