Schneider Blue Erasable Ink Cartridges Pack of 3 Boxes 6

Pen cartridge, Blue, 6 pieces, Schneider [4004675066039] Description:Schneider pen cartridges come in a practical box of 6, each ball-sealed for optimal ink retention. They are compatible with most pens and rollerballs that accept standard size cartridges , providing smooth, clear and long-lasting writing. Available in four classic colors, of which the blue ink is the only one that can be erased with a pick , these refills are ideal for school, office or personal use. Features: Universal compatibility with pens and rollers using a standard loading system. Quality ink – for smooth, uninterrupted writing. Practical box of 6 pieces – ideal for stock and transport. Washable blue ink – can be easily corrected with a bit. Ball seal – prevents leaks and premature evaporation. How to use: Open the pen or roller and remove the old cartridge (if applicable). Insert the Schneider cartridge into the special compartment until you feel a slight push (broken ball). Wait a few seconds for the ink to flow into the nib, then start writing. Precautions and contraindications: Only use in tools compatible with standard patrons . Do not force the cartridge in - it may damage the mechanism. Store in a dry place, away from extreme temperatures. Avoid direct contact with the ink – it can stain clothes or skin. Specifications: Compatibility: Pens and rollers with standard loading system Sealing: With ball (anti-leakage)