The Original Sweat Box Ultimate Bowling Ball Oil Cleaning Machine Bowling Ball Oil and Dirt Extractor. Weighs less than a 13lb Bowling Ball. Gives your Bowling Ball Back-End RE-ACTION! Properly Maintains Bowling Ball Care Easy-to-Use, Durable, Effective, Safe, Compact, Affordable, Low Maintenance, Convenient DO-IT-YOURSELF in the privacy of your own home or shop.