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Pin specifications are set by the United States Bowling Congress (USBC). World Bowling, formerly World Tenpin Bowling Association, has adopted the USBC specifications. Pins are 15 inches (380 mm) tall, 4.75 inches (121 mm) wide at their widest point, and weigh 3 pounds 8 ounces (1.6 kilograms) ±2 ounces (0.057 kilograms). [2]
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The USBC and World Bowling promulgate bowling ball specifications. USBC specifications include physical requirements for weight (≤16 pounds (7.3 kg)), diameter (8.500 inches (21.59 cm)—8.595 inches (21.83 cm)), surface hardness, surface roughness, hole drilling limitations (example: a single balance hole including the thumb hole for "two-handed" bowlers [3]), balance, plug limitations, and ...
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A 1891 newspaper notice [8] shows the incremental introduction of a single "candle-pin bowling set" into a bowling alley originally hosting other types of bowling. In 1906, Monsey created the National Duckpin and Candlepin Congress, which regulated ball size, pin shape and size, and lane surface characteristics, facilitating formation of ...