Uni-ball Jetstream 101 Ballpoint Pen, 1.0 mm, Low-Viscosity Hybrid Ink, Smooth & Clean, Classic Barrel, Ideal for Everyday Writing - Black

It produces dense, easy-to-read 1.0 mm lines that stand out on most office papers.

Yes. The hybrid ink is designed to dry quickly and resist smearing, making it suitable for fast note-taking and signing documents.

It features a lightweight, classic barrel with a capped design that protects the tip when not in use, helping reduce ink drying and keeping hands comfortable during long writing sessions.

Best on standard office paper and similar writing surfaces. It may not perform the same on very glossy or coated papers.

Ink: low-viscosity hybrid; Tip: 1.0 mm; Line: dark and bold; Cap: protective cap; Design: lightweight classic barrel for comfortable extended writing sessions.

Ideal for everyday writing tasks such as note-taking, form filling, meetings, sign-offs, and any writing that benefits from clear, bold lines.

The 1.0 mm version yields bolder lines with a firmer feel compared to the finer 0.7 mm version. If you prefer finer writing, the 0.7 mm option will be smoother and more precise; for thicker emphasis, the 1.3 mm variant offers broader strokes. See alternatives on Fepy: https://fepy.com/product/uni-ball-jetstream-sx101-0-7-mm-black and https://fepy.com/product/uni-ball-jetstream-sx101-1-3-mm-black

Keep the cap on when not in use, store at a moderate temperature, and avoid pressing hard on the tip. Replace the refill when ink performance declines to maintain smooth writing.

Yes. The Jetstream ink is formulated for general writing use and is non-toxic, aligning with standard safety expectations for everyday pens.

Jetstream pens typically use replaceable refills. When ink runs low, install a compatible Jetstream refill by removing the cap, pulling out the spent cartridge, and inserting a new one according to the product’s refill guidance.

It combines smooth writing, quick-drying ink, and a durable, portable design at a practical price—making it a solid choice for students, professionals, and anyone who writes a lot.