Super cap pressure system allows fluids to flow smoothly without pressing the shaft. The tip uses a ballpoint tip so you can use it like a ballpoint pen, and it is convenient for fine corrections and line draw corrections using a ruler. A water-based and oil-based type that can be used to correct letters such as PPC copy letters, fountain pens, ballpoint pens, water-based and permanent markers. Quick drying, so you can quickly rewrite after diluting over the wrong character. Material: Bottle: PBT, Cap/Tip: POM. Main Solvent: Methylcyclohexane. For both water-based and oil-based use.