Wholesale rollerball cartridge replenishment

5 rollerball refills with ultra-smooth tip for the best writing experience. Suitable for the Superteacher. Document-proof, line width approx. 0.6 mm. The ink of the cartridges in the color blue-erasable can be removed or erased with conventional ink erasers. The ink in all other colors is document-proof and cannot be removed. 5 rollerball refills with ultra-smooth tip for the best writing experience. Suitable for the Superteacher. Available in writing colors black, blue, red, green & purple. Line width approx. 0.6 mm, document-proof according to ISO 14145-2. The innovative Super-Flow system guarantees a consistent ink flow from start to finish. The cap-off ink does not dry out even if the pen is left open for 2-3 days and is also quick-drying and smudge-proof.