Less than 3 games used. The Storm Motor bowling ball is a high-performance, 15lb ten-pin bowling ball designed for medium-heavy lane conditions. It features an asymmetrical core type made of urethane with a reactive resin coverstock, ensuring a strike ball performance. The ball is undrilled and polished, making it a versatile option for bowling enthusiasts looking for a reliable and visually appealing ball. Made in the United States by Storm, this bowling ball is a top choice for competitive and recreational players alike.