3M Bondo 0.75 Oz. Fiberglass Resin Liquid Body Filler Hardener

Liquid hardener designed for use with Bondo fiberglass resin and Bondo metal re-inforced filler Forms chemical reaction with polyester fiberglass resin or filler for fast, permanent cure Helps create 100% waterproof repairs Great for repairing tubs, showers, sinks, pools, hot tubs, boats, and more