Whether you’re jotting down quick thoughts, signing important documents, or writing longhand journal entries, a great pen deserves a refill that performs just as beautifully as the original ink. That’s where our Premium Rollerball Refill for Diplomat Rollerball Pens comes in — engineered to offer a consistently smooth, precise, and comfortable writing experience.
Elevate Every Stroke
With a high-performance medium-point tip, this refill glides effortlessly across all types of paper, delivering rich, fluid lines with minimal pressure. Say goodbye to skipping, smudging, or inconsistent ink flow — and say hello to effortless elegance in every word you write.
Built to Last, Built to Impress
Crafted with durable stainless steel components, this refill isn’t just high-performing — it’s built to endure. Whether you’re writing daily notes or handling heavy usage in an office or classroom setting, this refill will keep up with your pace. The ink reservoir is generously filled to ensure long-lasting use, reducing the need for frequent replacements.
Instant-Dry Ink for On-the-Go Writers
Time matters, especially when you’re in meetings, classes, or brainstorming sessions. That’s why our rollerball refill features quick-drying ink that prevents smudging, even for left-handed writers. Ideal for those who need clean, clear notes without delay.
Easy to Replace, Easy to Love
Installing a new refill should be simple — and with ours, it is. This refill is specifically designed to fit most Diplomat rollerball pens with a standard length of 111.5mm (4.39 inches). Just remove the old cartridge, insert the new one, and you’re ready to write again.
Available in Three Classic Colors
Bring your words to life with the perfect hue. Choose from bold black, brilliant blue, or radiant red ink to suit your mood, task, or personal style. Whether you’re signing documents, color-coding notes, or personalizing your journal, we’ve got you covered.
One Refill. Unlimited Possibilities.
Perfect for students, professionals, creatives, or anyone who values quality writing tools, our rollerball refill is a versatile companion for everyday use. From grocery lists to business reports, it delivers the performance you need — every single time.
Upgrade your Diplomat rollerball pen with a refill that matches its excellence. Reliable, refined, and ready when you are.
Specifics
| Condition | New |
| Brand | OnPens |
| Model | Pen Rollerball Refill for Diplomat Rollerball Pens |
| Category | Rollerball Refill |
| Type | Ceramic Type |
| Color | Blue, Black, and Red |
| Material | Metal |
| Tip | Medium |
| Compatibility | Most Diplomat Rollerball Pens |
| Compatible With Mini Pens | No |
| Box Included | No |
| Length | 111.5mm (4.39in) |
| Weight | 4g (0.14oz) |
