Sakura Microperm Pens

Use Sakura's Microperm Pen to make precise long-lasting marks on test tubes, circuit boards, diamonds, cellophane, wood and glass, plastic, metal, or wherever there is a need for waterproof ink that will write on non-porous surfaces. Microperm features:

• Chemically stable, and waterproof
• Low odor and fulfills non-toxicity requirements
• Permanent adherence to most surfaces
• A fine line nib with a protected tip that will not split
• Alcohol based cleaners will remove ink from non-porous surfaces