What is the length of refill?

Length - 2.6" (66.0mm) Regards, Jim

Which Schmidt pens do these fit please?

I personally bought those refills for a Swarovski pen .

Will these refill cartridges fit rotring 600 3 in 1 pen?

I have a rotring tikky 3in1 and I wasn’t sure, so I looked up your 3in1 online and saw that yes, the 600 takes D1 refills

does this fit a keySmart nano pen?

It’s a standard size D1 refill

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SCHMIDT 635 Mini D1 Ballpoint Refill Medium, 4 Pack, Blue (SC58150)

Product ID: 266482655

Details

Brand
SCHMIDT
Item dimensions L x W x H
6.7 x 0.3 x
Item weight
0.02 Kilograms
Number of pieces
4
Style
Ballpoint

🔵Medium point, smooth blue ink

⚙️Stainless steel tip & TC ball

🖊️D1 refill standard

€ 14.65

Duties & taxes included

In stock

Sold byAmazon BelgiumDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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€ 14.65

Duties & taxes included

In stock

Sold byAmazon BelgiumDelivered 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 Belgium.

Secure transaction

Description

🖋️ Write your success story with every smooth stroke!

BULK CONVENIENCE - 4-pack ensures you’re always ready—never run out during critical meetings or brainstorming sessions.
VIBRANT BLUE INK - Medium point delivers crisp, professional blue lines that stand out on every page.
SLEEK LIGHTWEIGHT - Compact refill design (6.7 cm) fits seamlessly into your favorite pens without adding bulk.
EFFORTLESS PRECISION - Experience flawless writing with the stainless steel tip and tungsten carbide ball for smooth, consistent ink flow.
TRUSTED GLOBAL STANDARD - D1 refill format trusted by pen manufacturers worldwide—upgrade your pen with confidence.

The SCHMIDT 635 Mini D1 Ballpoint Refill Medium (4 Pack) features a durable stainless steel tip with a tungsten carbide ball for smooth, reliable writing. Designed in the popular D1 format, these blue medium-point refills provide consistent ink flow and vibrant color, making them a trusted choice for professionals seeking precision and convenience in their everyday writing tools.

Specifications

ASIN	B0102RFP78
Best Sellers Rank	#22,236 in Office Products ( See Top 100 in Office Products ) #176 in Pen Refills
Brand Name	SCHMIDT
Customer Reviews	4.6 4.6 out of 5 stars (5)
Global Trade Identification Number	00080333581506
Ink Color	Blue
Item Dimensions	6.7 x 0.3 x 0.3 centimeters
Item Weight	0.02 Kilograms
Manufacturer	YAFA
Manufacturer Part Number	SC58150
Model Number	SC58150
Number of Pieces	4
Package Size Name	Pack of 4
Point Type	Medium
Style	Ballpoint
UPC	080333581506
Unit Count	4 Count

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