Platinum Preppy eyedropper - see the o-ring? | About the fab… | Flickr
Platinum Preppy Wa Fountain Pen Limited Edition — The Gentleman Stationer
Platinum Preppy Fountain Pen - Pink - The Goulet Pen Company
Preppy Eyedropper O-Ring Kit – The Pen Outpost
Amazon.com : PLATINUM Fountain Pen, Preppy, Medium Nib, Black (PPQ-200-#1-05) : Office Products
Platinum Preppy Fountain Pens
Platinum Preppy Fountain Pen – Extra Fine – Black – The Pen Outpost
JetPens O-Rings - 9 mm Outer Diameter / 7 mm Inner Diameter - Pack of 5 - Black
Eyedropper converted my first platinum preppy today! :) It was fairly straightforward, though I should have gotten a slightly smaller o-ring. : r/fountainpens
Platinum Preppy Wa Fountain Pen Limited Edition — The Gentleman Stationer