Uni-ball One UMR-05S and UMR-038S Refils
Uni · sold by The Gentleman Stationer · $2.50 · in stock
Featuring Uni’s new pigmented gel ink designed to enhance vibrancy and increase flow, the Uni-ball One gel pen comes in a variety of fun barrel styles. These refills are designed to fit that gel pen. Colors include black, blue, blue-black, red, and orange, in both .38mm and .5mm tip sizes. Sold individually. Made in Japan.
| Option | Price | Stock | |
|---|---|---|---|
| Black / .38mm | $2.50 | in stock | Buy at The Gentleman Stationer → |
| Black / .5mm | $2.50 | in stock | Buy at The Gentleman Stationer → |
| Blue / .5mm | $2.50 | in stock | Buy at The Gentleman Stationer → |
| Blue-Black / .38mm | $2.50 | in stock | Buy at The Gentleman Stationer → |
| Blue-Black / .5mm | $2.50 | in stock | Buy at The Gentleman Stationer → |
| Orange / .38mm | $2.50 | in stock | Buy at The Gentleman Stationer → |
| Orange / .5mm | $2.50 | in stock | Buy at The Gentleman Stationer → |
| Red / .38mm | $2.50 | in stock | Buy at The Gentleman Stationer → |
| Red / .5mm | $2.50 | in stock | Buy at The Gentleman Stationer → |
| Blue / .38mm | $2.50 | in stock | Buy at The Gentleman Stationer → |
Prices and stock from shop.gentlemanstationer.com’s public catalog, last checked 2026-11-01 08:05 UTC; the store’s checkout shows the final price. Agents: JSON at https://api.kaupia.com/v1/product?id=kp:8614e631-7197-4df3-bb97-398e53e9b5ab; buy with POST /v1/checkout or MCP create_checkout.