Bowling form one and three pins. There are countless ways a bowler can achieve a strike. However, the goal for a bowler on every first ball is to achieve a strike using the method that generates the highest strike percentage. A "perfect strike" is a strike where the ball hits only four pins: the one, three, five and nine pins. The ball enters the one-three pocket, and then falls into the pit area to the right of where the eight pin previously stood. A stroker is a type of player in ten-pin bowling who releases his or her bowling ball in a
Bowling pin Bowling pin Bowling pins are the target of the bowling ball in various bowling games including tenpins, five-pins, duckpins, and candlepins. 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 wide at their widest point and tall. They weigh , pins weighing up to are approved. The weight of the pin was originally based on the idea that a single pin should be around 24 percent the weight of the heaviest bowling ball within regulation, . Duckpins are shorter and squatter than standard tenpins.