TOMBOW ballpoint pen refill BR-SF33, black, fine tip, waterproof ink

This water-resistant refill keeps your Tombow pen ready to write at all times.⁠‌‌‌‍‌‌‌‌‌‌‌‍‌‌‍‌‍‍‌‌‌‍‌‍‌‍‌‌‍‌‍‍‌‍‌‌‍‌‌‍⁠ The fine point gives you precision for detailed work and notes.⁠‌‌‌‍‌‌‌‌‌‌‌‍‌‌‍‌‍‍‌‌‌‍‌‍‌‍‌‌‍‌‍‍‌‍‌‌‍‌‌‍⁠

What does this ballpoint refill do?
This TOMBOW BR-SF33 refill makes your ballpoint pen ready to write again when the ink runs out. Instead of buying a new pen, you simply replace the refill and keep writing with your familiar pen.

When should you choose this specific model?
You need this BR-SF33 refill when you use a TOMBOW AirPress Pen, REPORTER 4 COMPACT or ONBOOK ballpoint pen. This refill is specifically designed for these pen models and does not fit other brands or types of ballpoint pens.

Why waterproof ink matters
The waterproof quality of this ink means that your written text will not run or fade when it comes into contact with water. This makes the refill ideal for documents you want to keep for a long time, contracts, signatures or notes that need to be resistant to moisture.

Practical tip for replacing
Before ordering, check that your ballpoint pen is one of the listed models: AirPress Pen, REPORTER 4 COMPACT or ONBOOK from TOMBOW. The fine point (line width F) gives you a neat, controlled line that is suitable for detailed writing. Store any spare refills at room temperature and out of direct sunlight for optimal performance.