Easy to use and refillable: Dilute paint to a watery consistency and pour it into the storage tank. Hold the tool like a pen and apply evenly — the paint glides smoothly for controlled strokes and writing. mixing ratio: For results, mix a small amount of paint 1:1 with water before filling the tank. This ensures proper flow and consistent coverage. Durable metal construction: The body is made of quality metal for longlasting use and reliable handling during detailed work. Precision fine nib: An extremely fine tip produces consistentwidth lines with minimal dripping, ideal for detailed marking and writing. Penstyle control and performance: Compact, penlike form factor provides comfortable grip and precise line control for extended use. Applications (practical examples) Detailed craft work and sign lettering where controlled thin lines and steady ink flow are required. Model painting and touchups that need precise, consistentwidth strokes. Fine art, illustration, or hobby projects that require accurate writing or marking with diluted paint. What you get A metalbodied paint pen with a refillable storage tank and an extremely fine nib, designed to use diluted paint (mix 1:1 with water) for smooth, consistent application.