Pilot G-Tec-C4 Rollerball Pen, Gel Ink, Ultra-Fine 0.4 mm Tip, Smooth Ink Flow, Clear Writing, Comfortable Grip, Ideal for School & Office Use, Green – Pack of 12

Ink: green gel ink with feather-resistant properties. Tip: 0.4 mm for ultra-fine lines. Writing quality: smooth flow with fast-drying to minimize smearing. Point: rigid needle-like tip for precise alignment. Refillability: accepts BLS-GC4 refills for long-term use.

Yes, the G-Tec-C4 is refillable. Use Pilot BLS-GC4 refills to continue writing with the same pen body and 0.4 mm green gel ink.

Use it for coding notes, detailed checklists, neat handwriting in classwork, color-coded lists, and any writing task where you want a slim green line that stays crisp on the page.

To replace the refill, twist or gently pull to separate the pen body and barrel, remove the spent refill, insert a new BLS-GC4 refill, and reassemble. Screw or push until it clicks securely.

Hold the pen at a comfortable angle and write with steady, even pressure. The fast-dry gel ink helps reduce smearing, especially on fresh pages. Allow a moment for the ink to set on very smooth or glossy papers.

Yes. The pen uses non-toxic, standard writing ink and is designed for everyday writing in school and office settings. It’s suitable for general use and classroom environments.

Compared to other color variants, the key difference is the ink color and sometimes packaging. For a similar 0.4 mm gel option in other colors, you can explore:

Yes. You can find different color options and pack sizes, such as black or blue 12-pack, and smaller or larger packs, on Fepy. Examples include:

Absolutely. A 12-pack provides enough units for student desks or teams, while the refillable design keeps long-term costs down. The slim 0.4 mm line helps maintain neat notes and reduces the need for excessive erasing or rewriting.

First, gently press the tip to the page to restart ink flow. If skipping continues, try a fresh BLS-GC4 refill, ensure the cap is securely in place when not in use, and write on a clean, low-dust writing surface. If issues persist, consider trying a different color variant to rule out a specific batch defect.

Yes. Practice light, consistent pressure to avoid over-pressing and line wobble. Maintain a steady hand movement and use shorter strokes rather than long, dragging lines. Pairing the pen with ruled paper can also help guide precise, even lettering.