Tip Thickness: 2 mm

Color: German Black Ink

• Refillable
• Waterproof for permanent writing
• Hard and round acrylic tip
• Aluminum body that does not roll
• Fast drying time - reduces smudges
• Writes without drying out even 72 hours without cap
• Strong, permanent, and non-toxic ink
• Highlights on almost all surfaces such as cardboard, metal, glass, cement, concrete,...