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The Goulet Pen Company

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Four black o-rings on a white background

The Goulet Pen Company

4.5 (123)

Platinum Preppy O-Rings (4-Pack)

Name: The Goulet Pen Company Platinum Preppy O-Rings (4-Pack) - Platinum Preppy O-Rings (4-Pack)
Brand: The Goulet Pen Company
SKU: 11884754599979
Price: 2.0 USD
Availability: InStock
Rating: 5 (8 reviews)

4.5 (1,234)

Sold 100+ last 30 days

20% off first order

$2.00

Quantity

Color

Black

Quantity

Use an o-ring to convert your Platinum Preppy and Platinum Prefounte into an eyedropper pen (silicone grease sold separately). This pack contains four o-rings.

Reviews

5.0

9 ratings

I haven't used the o-rings, but will when I change to eye dropper filling.

Joseph · August 20, 2025

Zero leaks

I used these to seal my Platinum Prefounte along with some Goulet silicone grease, so I could eye dropper-fill it. 100% leak-free!

Peter · December 6, 2024

Want to enable my Preppy as an eyedropper fill.

Joseph · October 29, 2024

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The Goulet Pen Company

4.7 (42.2K)

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Use an o-ring to convert your Platinum Preppy and Platinum Prefounte into an eyedropper pen (silicone grease sold separately). This pack contains four o-rings.