Genuine Cross Selectip® Gel Rollerball Refill – Black 8523 Medium tip | 8521 Blue Medium tip

Keep your Cross rollerball pen in daily use with the official Selectip® gel refill in black. If you value the pen you own, this refill maintains the same smooth, reliable writing feel—so you can get back to work without compromise.

Key details

• Ink: Black or blur gel (Selectip®)
• Tip size: Medium (approx. 0.7 mm)
• Code on refill: 8523 for black ink  |  8521 for blue ink
• Pack options: Twin pack 

Compatibility

Designed for Cross rollerball pens using the Selectip® format. If your refill has the code 8523 or 8521, these are the refills for your pen.

This applies only to CROSS pens with that part number; it is not suitable for our handmade pens.

Fast, no-hassle delivery

• Next working day dispatch from Ireland
• Letterbox-friendly packaging — no signature required
• Refill arrives even if you’re out — ready when you get home

What’s included

• Genuine Cross Selectip® Gel Rollerball Refill

Good to know

• Official Cross replacement refill for Selectip® rollerball pens
• Fresh inventory for dependable ink flow and performance