Is ballpoint the only choice? Or are there any gel or rollerball “k-type” refills that will fit a Sheaffer pen?

Monteverde makes a gel refill that is compatible with sheaffer K. Sheaffer makes either a slim or a classic rollerball refill...neither are compatible with a Sheaffer K refill nor will fit a Sheaffer ballpoint pen

What is the equivalent measurement in mm? Is the "fine" tip equivalent to 0.5mm? 0.7mm?

Traditional ball point pens aren't measured in mm. Art pens are measured in 5mm, and 7 mm sizes - and are consistent in their lines. That notwithstanding, the fine tip is just what is says, pretty fine. The medium tip is for traditional handwriting...

How can you tell which model of pen you have?

I looked at my empty refill in my pen. It says Scheaffer roller ball refill ll

Does Sheaffer make an extra fine black refill for their ballpoint pens?

No, Sheaffer does not make an extra fine black refill for their ballpoint pens

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Sheaffer Ballpen Refill, Fine Point, Black, (SR/99334)

Product ID: 11243888

Details

Brand
Sheaffer
Item Weight
9.07 g
Item dimensions L x W x H
2.03 x 0.29 x
Number of Pieces
1
Style
K Ballpoint

🎁Luxury gift packaging

🖤Rich black ink

🖋️Fine point precision

MX$411

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In stock

Sold byAmazon MexicoDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🖋️ Elevate your pen game—because your ideas deserve the finest refill.

BOLD BLACK INK - Make your mark with deep, consistent black ink that commands attention.
GIFT READY ELEGANCE - Arrives in a sleek luxury box—perfect for gifting or personal indulgence.
LIFETIME MECHANICAL WARRANTY - Write worry-free with Sheaffer's lifetime guarantee on mechanical failure.
PRECISION AT YOUR FINGERTIPS - Experience flawless, fine-point writing that elevates every note.
UNIVERSAL SHEAFFER COMPATIBILITY - Seamlessly fits all Sheaffer ballpoint pens (except select models) for effortless refills.

The Sheaffer Ballpen Refill (Fine Point, Black) delivers smooth, precise writing with rich black ink. Compatible with most Sheaffer ballpoint pens, it comes in a luxury gift box and is backed by a lifetime mechanical warranty, ensuring lasting performance and style.

Specifications

ASIN	B002IKKL68
Best Sellers Rank	#100,599 in Office Products ( See Top 100 in Office Products ) #696 in Ink Pen Refills
Brand Name	Sheaffer
Customer Reviews	4.4 4.4 out of 5 stars (744)
Global Trade Identification Number	00074040993349, 30074040993340
Ink Color	Black
Item Dimensions	2.03 x 0.29 x 6 inches
Item Type Name	Sheaffer Ballpoint Refill "K" Style - Black Fine - Blister Card
Item Weight	9.07 g
Manufacturer	A. T. Cross Co.
Manufacturer Part Number	99334
Model Number	99334
Number of Pieces	1
Package Size Name	Single
Point Type	Fine
Style	K Ballpoint Refills
UPC	809098937874 074040993349 799916324682 800187719265
Unit Count	1 Count

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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MX$411

Duties & taxes included

In stock

Sold byAmazon MexicoDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Mexico.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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