Super Rare, Lane #1 Enriched Uranium Bowling Ball is a high-performance, 15 lb ten-pin bowling ball specifically designed for competitive bowling. This unique bowling ball is part of the Lane #1 brand, known for producing top-quality bowling equipment. With a symmetrical core and a differential of .050, this ball offers excellent performance on the bowling alley. Perfect for serious bowlers looking to enhance their game, this bowling ball is sure to stand out in any collection. First Drill, No Plugs. This does have a balance hole. Ships on Same or Next Business Day!