Easy to use: Dilute the paint to a watery consistency and pour into the storage tank. Hold the pen like a pencil and apply the paint evenly, allowing it to glide smoothly. For results, mix a small amount of paint 1:1 with water. Material and durability: The paint pen is made of quality metal, providing durability and longlasting use. Precise nib and performance: Features an extremely fine nib that delivers a drip, consistent line width. You can retouch even tiny chips with minimal paint to achieve clean, professional results. Vintage design: The knurled slanted lever handle gives a vintage feel, reminiscent of pens used from the Middle Ages to the 19th century. Practical applications: Model kit work: precise touchups on small chips and scratched edges. Restoration and detailing: retouch fine lines on metal, wood, or plastic surfaces with minimal paint. Art and crafts: fine line work, lettering, and delicate detailing in various projects.