The Storm 2-2-1 Thunder Plug is a must-have for any professional bowling pro shop. Designed to take the hassle out of ball repair and customization, this high-quality plug system allows for effortless filling of any bowling ball hole with absolute precision. Using a consistent 2:1 ratio, Storm's Thunder Plug ensures that every fill is smooth and reliable. No more guesswork – just perfect results every time. Available in both compound and hardener, the 1/2-gallon bottles offer enough product for multiple uses, making them a cost-effective solution for busy shops. Whether you’re plugging thumb holes or correcting imperfections, the Storm 2-2-1 Thunder Plug's easy-pour formulation guarantees a professional finish. This product helps to maintain the high standards expected by bowlers and pro shop operators alike.