Uni-ball SA-S Medium Stick Ballpoint, 1.0 mm, Smooth Oil-Based, Classic Barrel, Quick-Dry, Durable Tip, Smooth Flow, Ideal for School & Office Use, Black - Pack of 12

Tip size: 1.0 mm; ink: oil-based; color: black; pack: 12 pens; barrel: classic lightweight design; tip: stainless-steel for durability; cap with clip for shared desks; ink dries quickly to reduce smearing.

Yes. All pens in the 12-pack deliver a consistent black ink with a smooth writing flow.

This is a disposable stick-ballpoint design. It’s intended to be used until the ink runs out and then replaced; it isn’t designed to be refilled.

Oil-based ink typically dries faster on plain paper, helping to reduce smears during repetitive writing, forms, receipts, or signing tasks while maintaining legible lines.

Cap the pen when not in use and use the built-in clip to attach it to pockets, notebooks, or planners. Store away from heat to minimize ink leakage.

The pen uses a stainless-steel tip, which resists wear and provides longer-lasting performance for everyday writing.

Both are 1.0 mm stick-ballpoint pens with oil-based, quick-dry ink. The SA-M is the slightly larger or “medium” variant in the same family. See the SA-M product page for details: https://fepy.com/product/uni-ball-sa-m-medium-stick-ballpoint-1-0mm-black-pack-12

SA-S uses oil-based ink with quick-dry properties, delivering a different writing feel and dry time than the gel-based ink typical of Pilot G2. For Pilot G2 1.0 mm, see: https://fepy.com/product/pilot-g2-1-0mm-ballpoint-pen-pack-12. For another traditional option, you can also compare with BIC Cristal Xtra 1.0 mm: https://fepy.com/product/bic-cristal-xtra-1-0mm-ballpoint-pen-pack-12

Signing forms, filling registers, taking notes in class, checking off items on lists, and any shared desk task where a steady, reliable 1.0 mm line is desired.

The SA-S comes in a pack of 12, offering economical, consistent performance for classrooms or offices. Its quick-dry oil-based ink helps minimize smearing in busy environments, and the durable nib supports repeated use at shared workstations.

Uncap the pen and start writing as you would with any standard ballpoint. Recap after use to protect the ink, and use the clip to secure it to a notebook or pocket for easy access.