These pins are not solid. They are a half pin to be used in the specified games. One Replacement Bowling Pin for United and Williams Puck Bowlers arcade games. Our philosophy is if you broke one, you might as well buy a spare! White plastic with red imprinting. Overall length: 10". Mounting hole centers: 1.84". Made in USA These pins are not compatible with the Chicago Coin version. Please see our other listings for compatible pins.