J-B Weld Waterweld (2 oz.)

J-B Weld Waterweld makes repairs under water. Bonds to almost any material to plug or seal practically anything that leaks. It will patch holes and cracks, mend almost anything that is broken. It is excellent for rebuilding or fabricating parts and as an all purpose adhesive for metals, wood, fiberglass, masonry, ceramics, and many plastics. Can be drilled, tapped, filed, sanded and painted like metal.
Sets as hard as steel in only 20 minutes.