will they fit Preston dual ballpoint stylus(promotional pens)

Good question. I do not know since I bought the refills for a different brand of pen and do not have a Preston type pen....

Will these fit the true utility 6 in 1 muti tool pen?

Yes they do fit the true 6 in 1 pen. They are slightly short but they do work.

Does the black piece on the end come off? I have a really nice pen (gift) that uses a refill like this but does not have a piece on the end.

Yes, it does come off. The refill is 2 5/8 inches long after taking it off.

Does this refill fit a Helios pen?

No. the refills for Helios pen is bigger than this item.

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

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2.75'' Ballpoint Pen Refills, Black, Medium Point, 10 Pack

Product ID: 98359503

Details

Age Range (Description)
Adult
Brand
AIYIBEN
Color
Black
Ink Color
Black
Writing Instrument Form
Ballpoint Pen

📏2.75'' precision length

🔩durable metal construction

🖊️1.0 mm smooth medium point

€ 10.23

Duties & taxes included

In stock

Sold byAmazon PortugalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🖋️ Upgrade your pen game—because your ideas deserve the smoothest flow.

PREMIUM METAL BUILD - Crafted from sleek metal for durability and a lightweight feel that elevates your everyday writing ritual.
COMPACT COMPATIBLE - At 2.75 inches, these refills fit standard D1 ballpoint pens—double-check compatibility and never miss a beat.
RELIABLE INK CONSISTENCY - Water-based black ink delivers smooth, consistent lines ideal for office, school, or home use.
EFFORTLESS PRECISION WRITING - Experience flawless ink flow with a perfectly calibrated 1.0 mm medium point for crisp, professional notes.
BULK PACK FOR SHARING STOCKING - 10-pack ensures you and your team stay equipped—because running out is not an option.

The AIYIBEN 2.75'' Ballpoint Pen Refills come in a 10-pack featuring a 1.0 mm medium point tip and durable metal construction. Designed for standard D1 ballpoint pens, these refills provide smooth, consistent black ink flow, perfect for professional, academic, and everyday writing needs. Compact and reliable, they ensure you never run out of ink during critical moments.

Specifications

ASIN	B07GZJ9TYW
Additional Features	Refills
Age Range Description	Adult
Best Sellers Rank	#53,834 in Office Products ( See Top 100 in Office Products ) #372 in Ink Pen Refills
Body Shape	Round
Brand Name	AIYIBEN
Closure Type	Retractable
Color	Black
Customer Reviews	4.5 4.5 out of 5 stars (1,408)
Drill Point	Medium
Grip Type	Smooth
Included Components	10 ballpoint pen refills
Ink Base	Water
Ink Color	Black
Item Diameter	2 micrometer
Item Dimensions	2.76 x 0.09 x 0.09 inches
Item Weight	1 g
Line Size	1.0-1.9mm
Manufacturer	AIYIBEN
Material Type	Metal
Model Name	ball point pen
Model Number	43396-132497
Recommended Uses For Product	Office
Style	Ballpoint
Unit Count	10 Count
Writing Instrument Form	Ballpoint Pen
Writing Technique	ballpoint

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