Hi! What is the capacity of the standard long Waterman cartridges in ml?

The long cartridges are 72 mm in length with about 1.45 ml capacity.

This fits all Waterman pens, so what's the difference from standard so110850 Waterman cartridges, much cheaper?

This did NOT fit my Waterman pen. It was too long. So I'm afraid I can't answer your question properly. Sorry.

Would the cartridges fit in this fountain pen https://www.amazon.com/fountain-ideapool-calligraphy-signature-executive/dp/b01m1fuxun/ref=pd_sim_229_5?

I'm not sure but I don't think so. They look different

Does these fit pilot pens

Most likely not. I believe they are brand specific. These are very large tubes that fit the waterman nicely. there are smaller tubes S0194751 by Rotring that I have purchased on Amazon. They come at a very low cost with many units and work great for smaller reservoir pens. The pack is 6 per box and you can buy multiple boxes at one time to save more money. If you use your fountain pen a lot that would be my recommendation.

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Waterman Ink Refill Cartridges For Fountain Pens, Black, 8-Pack (S0712991)

Product ID: 256859099

Details

Brand
Waterman
Item dimensions L x W x H
7.7 x 6 x 1.2
Item weight
0.22 Grams
Number of pieces
8
Style
Long

🖤Intense classic black ink

⚙️Universal Waterman compatibility

🖋️8-pack long-lasting cartridges

163.84 DT

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Description

🖋️ Elevate your signature with Waterman’s legendary black ink—because your words deserve the best.

BULK VALUE PACK - Eight cartridges per pack keep your creativity flowing longer—never run dry at critical moments.
EFFORTLESS FLOW - High-quality ink formula ensures smooth, consistent writing without skips or smudges.
TIMELESS INTENSITY - Experience the iconic deep black that has defined generations of professionals.
READY FOR EVERY PEN - Seamlessly compatible with all Waterman fountain pens for instant refill convenience.
TRUSTED BY THOUSANDS - Join over 10,000 satisfied users who rate this refill 4.6 stars for reliability and performance.

Waterman Ink Refill Cartridges (8-pack) deliver intense black ink in a high-quality formula compatible with all Waterman fountain pens. Designed for smooth, reliable writing, these medium-point cartridges offer professional-grade performance trusted by thousands, ensuring you never miss a beat in your daily notes or signatures.

Specifications

ASIN	B000J3X9XS
Best Sellers Rank	#22,122 in Office Products ( See Top 100 in Office Products ) #56 in Bottled Ink
Brand Name	Waterman
Customer Reviews	4.6 4.6 out of 5 stars (6,245)
Included Components	Ink Cartridge
Ink Color	Black
Item Dimensions	7.7 x 6 x 1.2 centimeters
Item Weight	0.22 Grams
Manufacturer	Waterman
Manufacturer Part Number	S0712991
Model Number	S0712991
Number of Pieces	8
Package Size Name	Blister pack of 8
Point Type	Medium
Style	Long
UPC	844998178613
Unit Count	8 Count

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The MOLLE sheath is of exceptional quality. Very happy with my purchase.

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163.84 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered 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 Tunisia.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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Great experience from order to delivery. Highly recommended!

1 week ago

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