Starbrite Aluminum Epoxy Putty StickMakes permanent and emergency repairs on aluminum boats, outdrives, fuel and water tanks and other aluminum parts. Starbrite Epoxy Putty Stuck forms a high-strength bond in minutes, even under water. No boat should be without as this can be the product that saves you from sinking. You never know when a thru hull fitting gets knocked off or a manifold blows, this epoxy stick can save the day and maybe the whole trip. Easy to use; just hand knead for 1 minute and apply to damaged area.; Product cures under water. Once cured, you can drill and tap for screw threads.; Can be sanded, drilled, and tapped; Set Time: 5 MinutesCure Time: 1 HourCure Color: Light Grey