Bondo 1 Qt. Body Filler with Hardener is a professional-grade, all-purpose two-part filler designed for fast and permanent repairs on metal, wood, fiberglass, masonry, and concrete. for automotive restoration or general household use, this non-shrinking compound effortlessly fills dents, dings, rust spots, and holes. Its lightweight formula spreads smoothly, cures in just 20 minutes, and sands easily, allowing for quick same-day repairs. When mixed with the included red cream hardener, it turns a salmon color to ensure a proper blend every time. Durable, versatile, and easy to shape, Bondo Body Filler is a solution for reliable and long-lasting repairs. Model Number: 346619