O-ring for Preppy Eyedropper Conversion (4-Pack)
These o-rings are perfect for the Platinum Preppy eyedropper conversion. Simply stretch one over the feed section of the pen, and roll it down to the bottom of the threads before screwing the feed section back to the barrel. It adds an extra layer of security to prevent accidental ink leakage, which can get messy.
Sold in a pack of 4.