The Pilot BTRF-6F is a slim, plastic refill most commonly found in the Pilot Birdy pens.
It’s also a perfect fit for the popular Ohto Horizon pen.
Pilot BTRF-6F Ballpoint Refill Information
| Street Price | Check Price |
| Manufacturer | Pilot |
| Pen Type | Ballpoint |
| Rating | |
| Sizes | 0.7 mm |
| Ink Colors | Blue, Black, Red |
| Max Body Width | 4.2 mm |
| Acid-Free? | No |
| Erasable? | No |
| Pressurized? | No |
| Archival? | No |
| Fade Resistant? | No |
| Fraud Prevention? | No |
| Quick Drying? | No |
| Non-toxic? | No |
| Water-resistant? Waterproof? | No |
| Ink Base | |
| Refill Length (cm) | 8.8 cm |
| Tip Shape | Conical |
| Tip Material | Metal |
| Refill Standard | D1 |
| Quantity Sold | 1 |
| Similar Refills: |