Do these fit slimline pens?

Yes in my case . The kind of pen that pulls apart leaving access to the knurled plastic tips that simply unscrew.

What is the diameter of the short shaft and the tip of the refill where the ball is located?

Diameter of shaft is probably less than 1mm and the ball less than 0.5mm

Do these fit Swarovski crystal pens? The refill included with the pen has the code ISO 12757-2D if that helps?

Not sure I bought them for my Parker Pen .

Will this fit a pen with a Dayacom dud refil?

It didn’t fill my pen properly.

Black Ballpoint Pen Refills Medium 10 Pack Cross 8513 Compatible

Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

المساعدة تتبع الطلب

الحساب عربة التسوق

Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

المساعدة تتبع الطلب

الحساب عربة التسوق

SAR 45

Duties & taxes included

In stock

Sold byAmazon KSADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🖋️ Write Boldly, Last Longer — Because Your Ideas Deserve the Best

VERSATILE PACK SIZES - Choose from 5, 10, 20, or 50 refills to match your professional or office needs—never run out.
SMUDGE FREE PRECISION - Fast-drying ink designed for both left and right-handed pros—write confidently without the mess.
PREMIUM STAINLESS STEEL BUILD - Engineered for durability and sleek style, ensuring your pen performs like new every time.
SEAMLESS CROSS 8513 COMPATIBILITY - Effortlessly upgrade your favorite CROSS ballpoint pen with a perfect 11.6cm refill fit.
THE ULTIMATE GIFT FOR PEN ENTHUSIASTS - Elevate your colleagues’ desk game with a refill pack that screams quality and reliability.

These Black Ballpoint Pen Refills are precision-engineered to fit any CROSS ballpoint pen compatible with the 8513 cartridge. Crafted from durable stainless steel and featuring fast-drying black ink, they deliver a smooth, smudge-free writing experience ideal for professionals. Available in multiple pack sizes, these refills ensure you stay stocked and ready to impress with every stroke.

Specifications

ASIN	B08RY264Z4
Best Sellers Rank	3,416 in Stationery & Office Supplies ( See Top 100 in Stationery & Office Supplies ) 30 in Pen Refills
Brand Name	Charmngifts
Country Of Origin	China
Customer Reviews	4.4 4.4 out of 5 stars (2,621)
Ink Colour	Black
Item Type Name	CROSS Ballpoint Pen Ink Refills
Item Weight	10 Grams
Manufacturer	Charmn Gifts Ltd
Manufacturer Part Number	CRO-123
Number of Pieces	5
Package Size Name	Pack of 10
Point Type	Medium
Style	Ballpoint Ink Refills Compatible with 8513 CROSS Pens
Unit Count	10 count

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