Specification:Name: Multifunctional Rust Removal And Conversion Agent.Color: Grey, Black, Red, Blue, White.Weight: 100ml.Shelf Life: 3 years.Storage Methods: Store in a cool and dry place.Package Included: 1pc *Multifunctional Rust Removal And Conversion Agent + 1pc Tool.How to Use: 1. Clean up the floating dust, oil stains, rust stains, etc. that are easy to fall off on the surface of the object to be coated. 2. After cleaning, paint on the metal surface. After the anti-rust primer is applied, the original rust is transformed into a composite film with strong adhesion. 3. Wait for 10 minutes, the rust turns into a different colors primer. Matters needing attention: 1. Due to different shooting angles or light, there will be errors in color. 2. There may be 1-3cm error due to manual measurement.