What kind of ink cartridge refill does this pen take?

It takes the Sheaffer K-refill. However, it will also take a Caran d'Ache Goliath refill and a Parker refill, if you cut a little of the plastic top off.

what size eraser refill does the pencil take?

It's a pen and doesn't use an eraser.

What is the ink color? black or blue?

These pens come with a black medium refill installed.

Can you explain the three dimension measurements (lxwxh). i understand the 1st one (length). how are the other two measured?

I'm sorry, I don't have an answer. All I can tell you is that it is my favorite writing instrument. I like the way it feels in my hand.

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

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Sentinel Black Ballpoint Pen with Chrome Trim

Product ID: 9679637

Details

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

🎁Luxury gift box included

⚙️Lifetime mechanical warranty

🖊️Push-button quick activation

NZ$125

Duties & taxes included

In stock

Sold byAmazon Cook IslandsDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🖋️ Write Your Success Story with Every Click

TIMELESS ELEGANCE - Black resin barrel paired with polished chrome trim delivers a refined, professional aesthetic that stands out in any meeting.
GUARANTEED FOR LIFE - Backed by Sheaffer’s lifetime warranty against mechanical failure—invest in a pen that works as hard as you do.
REFILLABLE RELIABLE - Includes a premium Sheaffer ‘K’ black ballpoint refill, ensuring your pen stays sharp and ready for every signature.
INSTANT ONE HANDED USE - Effortlessly click and write with a sleek push-button mechanism designed for seamless productivity.
POCKET READY SLIM PROFILE - Fits perfectly into your portfolio or pocket calendar—carry sophistication wherever you go.

The Sheaffer Sentinel Black Ballpoint Pen combines a sleek black resin barrel with chrome nickel-plated trim in a slim, pocket-friendly design. Featuring a smooth push-button mechanism for instant tip activation, it includes a premium black ballpoint refill and comes packaged in a luxury gift box. Perfect for professionals and students alike, it’s backed by a lifetime mechanical warranty, ensuring lasting performance and style.

Specifications

ASIN	B001T0HGXE
Additional Features	Refillable
Age Range Description	Adult
Best Sellers Rank	#110,802 in Office Products ( See Top 100 in Office Products ) #2,557 in Ballpoint Pens
Body Shape	Round
Brand Name	Sheaffer
Closure Type	Button
Color	Black
Customer Reviews	4.6 4.6 out of 5 stars (1,107)
Drill Point	Medium
Global Trade Identification Number	00074040955507, 00074040955552
Grip Type	Smooth
Hand Orientation	Ambidextrous
Included Components	Black Sheaffer 'K' Ballpoint refill
Ink Base	Oil
Ink Color	Black
Item Dimensions	27 x 2.68 x 1.65 inches
Item Weight	2.56 ounces
Line Size	1_0_1_9mm
Manufacturer	A. T. Cross Co.
Material Type	Resin
Model Number	E23211151
Pattern	single item
Recommended Uses For Product	Writing
Style	Ballpoint Pen
UPC	074040955507 074040955552
Unit Count	1 Count
Warranty Description	Limited 1-Year Warranty. For a period of one year from the date of purchase, Sheaffer will repair or replace, at its option, this writing instrument, free of charge, if it has a mechanical failure due to defect in material or workmanship. This warranty does not cover loss, accidental damage, reasonable wear and tear, misuse, or abuse such as improper use and care. This warranty gives you specific …
Writing Instrument Form	Ballpoint Pen
Writing Technique	ballpoint

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

Vikram D.

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

2 weeks ago

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NZ$125

Duties & taxes included

In stock

Sold byAmazon Cook IslandsDelivered 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 Cook Islands.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Khalid Z.

Great experience from order to delivery. Highly recommended!

1 week ago

Vikram D.

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

2 weeks ago

View all Trustpilot reviews