Do it Best Epoxy Putty. Packed in resealable plastic tube. Convenient for tool box. Useful for many repair jobs. Plumbing Repairs. Sink traps, oil and water tanks, pipe joints, drain leaks, etc. Electrical. Use in place of tape, ceramic connectors, knobs, etc. Ceramic Repair. Cracked porcelain wall tile, floor tile, etc. Auto Repair. Metal strips, small dent repairing, fuel tank, radiators, etc. Underwater Repair. Concrete swimming pools, fish tanks, etc. Custom Formed Gaskets. For permanent sealing and bonding. Home Repairs. Dethreaded screws in wood or metal, picture hanging, light fixture installation, fixing loose rungs and legs on furniture, air duct leaks, etc.