Answer by
fiddlefaddle (883)
Pin specifications for standard tenpins are set by the United States Bowling Congress. Pins are 4. 75 inches wide at their widest point and 15 inches (380 mm) tall. They weigh 3 lb, 6 oz, although in 1998 pins weighing 3 lb 10 oz (1. 6 kg) were approved.