Sakura Microperm Fine-Line Pen Set set of 3 [Pack of 3] 74153-PK3

Every facet of fine line detailing and permanence is incorporated to execute writing in micro-spaces or onto obscure surfaces. The Microperm Pen writes on Diamonds, glass, wood, cellophane, plastic and glossy sheets, CD's, photographic and x-ray film, pa aper and metal. These pens are chemically stable, waterproof, and will permanently adhere to most surfaces.The set contains black .25mm, .35mm, and .45mm point sizes. Adheres permanently on most surfaces. Writes on diamonds, glass, wood, cellophane, plastic, and more. Chemically stable, waterproof. Unit: set of 3.