Sherpa Pen Jetball Adapter - Refillable Rollerball for Classic/Special Edition/Balance
Sherpa Pen Jetball Adapter - Refillable Rollerball for Classic/Special Edition/Balance
Original Grip: Precision-machined from solid aluminum, this grip features a smooth anodized finish that offers exceptional durability and scratch resistance. Its lightweight design ensures effortless writing for extended periods, while the protective coating maintains its pristine appearance over time.
Tactical Grip: Crafted from solid brass with a sleek black electroplated finish, this grip offers enhanced traction and a satisfying weight for your writing experience. Its matte texture not only provides superior control but also develops a unique patina over time, personalizing your writing instrument.
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Looking for the smooth, expressive flow of fountain pen ink—without the mess of a nib? Meet the Sherpa Jetball Adapter: the easiest way to turn your Sherpa Classic, Classic Contemporary, or Balance pen into a refillable rollerball. This smart add-on gives you the freedom to use any international-standard ink cartridge or converter, so you can enjoy your favorite fountain pen inks with the clean, precise feel of a rollerball.
And now, you can choose your style: the Jetball Adapter is available with either the original grip finish or the ultra-modern Tactical Black grip for an upgraded feel and look. Each adapter includes one piston ink converter and one ink cartridge—everything you need to write your way.
*Fits All Sherpa Classic, Classic Contemporary, Sherpa Balance, and Ultimate Sherpa pens.
Compatible Ink Brands
Installation & Troubleshooting
Installing the Jetball Adapter:
In Your Sherpa Pen
Simply remove the existing grip section from your Sherpa Classic, Classic Contemporary, or Balance pen. Then insert the Jetball Adapter and twist it into place—no tools or fuss required.
Using an Ink Cartridge
Gently insert the cartridge into the back of the Jetball Adapter until you feel it click into place. Give the ink 15–20 seconds to saturate the rollerball tip. For best results, let it sit upright overnight if the ink doesn’t flow right away.
Using a Converter
Fill the included converter with your favorite ink before installation. While you *can* draw ink up through the tip, we recommend pre-filling the converter to avoid potential airlocks or flow issues.
Troubleshooting Tips:
Slow Ink Flow
If the ink is flowing but faint, press the tip onto a tissue placed on a hard surface for several seconds to prime it. Once the ink is flowing smoothly, reinsert the cartridge or converter to prevent leaks.
No Ink Flow
If no ink reaches the tip on first use, allow the filled adapter to sit overnight. If the adapter was previously used and has dried out, soak it in lukewarm water for 1–2 hours. Then use the converter to flush water through the tip: fill the converter with clean water, install it, and twist the piston backward to push water through.
