Cello Tri-Mate Ball Pen, 1.0mm Tip, Low-Viscosity Ink, Triangular Grip, Smooth Bold Lines, Consistent Flow, Ideal for School & Office Use, Green - Box of 50

Tip: 1.0 mm; Ink color: Green; Ink type: Low-viscosity ballpoint; Dry time: Fast-drying to minimize smearing; Grip: Triangular barrel for ergonomic comfort; Packaging: Box of 50 pens.

The triangular barrel provides a more secure, balanced grip, reducing hand strain and improving control during long writing sessions.

Perfect for color-coding notes, creating bold headings, charting and diagrams, and general school or office writing. The bulk pack is great for classrooms, departments, or teams.

Low-viscosity ink delivers a smoother writing experience with consistent line flow, while fast-drying ink helps reduce smearing when pages are stacked or handled quickly.

Cap the pen when not in use (if applicable), store in a cool, dry place, and use with light, steady pressure to maintain consistent ink flow and line quality.

Yes. It’s designed for everyday school and office writing, with bold green ink that’s easy to read and fast-drying ink to minimize smearing on notes and worksheets.

This model is a 1.0 mm green-tip pen designed for bold lines and clear color-coding. Other Tri-Mate variants may offer different tip sizes or ink colors. For reference, you can explore alternative Tri-Mate options on Fepy.com here: https://fepy.com/product/cello-tri-mate-ball-pen-blue-1-0mm-50-pack and https://fepy.com/product/cello-tri-mate-ball-pen-green-0-7mm-50-pack

Absolutely. The 1.0 mm tip produces bold lines that stand out in diagrams and charts, while the smooth flow of the ink helps keep lines clean and legible.

A 50-pack provides excellent per-pen value for bulk needs, such as classrooms, offices, or teams. It helps ensure a consistent color-coding system and reduces the need for frequent reordering.

Start with a light touch, maintain a steady hand, and write with smooth, continuous strokes. Keeping the cap off or on as appropriate and avoiding excessive pressure helps maintain consistent ink flow and neat lines.

Follow local regulations for pencil/pen recycling. If your area supports recycling programs for writing instruments, empty the ink and place the pen in the appropriate recycling stream per the program’s guidelines.