Powerful and Fast Rust Dissolver: Utilizing advanced activating ingredients, it quickly penetrates and dissolves stubborn rust on metal surfaces, eliminating the need for repeated scrubbing, saving time and effort. Neutral, Non-Corrosive Formula: With a neutral pH, it's gentle on metal substrates, including stainless steel, iron, and alloys. Long-term use will not affect the metal's strength or luster. Environmentally Friendly, Safe, and Non-Irritating: Free of strong acids, bases, or toxic solvents, it has no pungent odor and requires no additional protective equipment during operation, meeting environmental standards for peace of mind. Versatile and Widely Applicable: Suitable for a variety of metal corrosion scenarios, including automotive parts (screws, brake discs, exhaust pipes, etc.), tools, and hardware, for both home repair and industrial applications. Rust-Proofing Film: After rust removal, it automatically forms an invisible protective layer that effectively isolates moisture and oxygen, delaying rust regeneration and extending the life of metal parts. Package: 1 pcs Car rust removal spray