G-Flex Epoxy Repair Kit 650KThe cure for leaking seams and rivets, or adhering patches on boats and canoes, is the G flex 650 K Aluminum Boat Repair Kit. It also works on fiberglass, wood, plastics and metals. The 650 K kit contains 4 oz. each of viscous liquid G flex 650 resin and hardener. Mixing ratio is 1: 1. It also includes two reusable mixing sticks applicators, two 12 cc syringes, four grams adhesive filler (colloidal silica), four mixing cups, one pair disposable