Bowling
Ball

Bowling balls vary, depending on the type of bowling. Ten-pin balls are about 8.59 inches (21.8 cm) in diameter, typically have three holes, and weigh from 6 to 16 lb (2.7 to 7.3 kg). The size and spacing of the finger holes on non-customized balls are generally smaller on lighter balls to accommodate smaller hands. Modern resin covers (surfaces) available since the early 1990s enhance a ball's hook (curve) potential, and the shape of the balls' cores (pictured) permit fine-tuning of desired ball paths. In contrast, traditional plastic balls are suitable for straighter shots. Duckpin and candlepin balls fit in the palm of the hand, and have no holes.
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