Bowling ball Bowling ball A bowling ball is a piece of sporting equipment used to hit bowling pins in the sport of bowling. Balls used in ten-pin bowling are typically hard spheres with three holes drilled in them, one each for the ring and middle fingers, and one for the thumb. Regulating bodies such as the USBC maintain requirements for the properties of bowling balls, including size, hardness, and number of holes, as well as maintaining a list of bowling balls approved for competitive play. Other bowling balls, such as those used in five-pin bowling, candlepin bowling, and duckpin bowling are smaller,
Ten-pin bowling formerly located in St. Louis, Missouri, and in Arlington, Texas since 2010, includes separate wings for honorees of the American Bowling Congress (ABC), Professional Bowlers' Association (PBA), and Women's International Bowling Congress (WIBC). The museum does not include the new Ladies Pro Bowlers Tour Hall of Fame, which is located in Las Vegas, Nevada. In 2008, the USBC moved its headquarters from Greendale, Wisconsin to Arlington, Texas. In the United Kingdom, UK Sport, the official sports body that governs drugs testing on ten-pin bowlers and other athletes in the UK on a regular basis and is conducted by a Doping