The Motiv HR Ball Plug Kit is your solution for creating perfect plugs in heat-sensitive situations. Crafted with precision using HR Hardener and HD Resin, this kit is the ideal choice, especially in hot and/or humid locations. Key Features: Proven success with reactive resin, urethane, and polyester bowling balls Excellent adhesion to all cover stock materials Extremely crack, chip, and impact-resistant Virtually no post-cure shrinkage, ensuring no separation or flat spots No air bubbles, allowing trapped air to escape before curing Drills straight and true without bit chatter or chipping around the rim Cures in 10-16 hours at recommended temperatures 3:1 ratio of resin compound to hardener Very clear and easy to color match Excellent for plugging large holes without 2 staging This kit includes (3) 64 oz. bottles of HD Resin compound and (1) 64 oz. bottle of HR Hardener. It's designed to make approximately 2 gallons of high-quality bowling ball plug.