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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🖋️ Elevate your signature style — because first impressions write the future

SMOOTH PRECISION - Specially formulated black ink and medium ballpoint tip deliver flawless, consistent writing
EFFORTLESS ELEGANCE - Sleek blue resin barrel paired with brushed chrome accents for a modern, professional look
CLICK WITH CONFIDENCE - Reliable retractable mechanism combining classic style with modern convenience
GIFT READY SOPHISTICATION - Comes in a premium gift box, perfect for impressing colleagues or clients
LIGHTWEIGHT COMFORTABLE - Slim profile and contoured grip ensure fatigue-free writing during long meetings or creative sessions

The SheafferSentinel is a refillable ballpoint pen featuring a striking blue resin finish and polished chrome trim. Designed for professionals and creatives alike, it offers a smooth medium-point black ink experience with a reliable retractable click mechanism. Packaged in a premium gift box, this lightweight pen combines timeless elegance with everyday functionality.

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Manufacturer	Sheaffer
Brand	Sheaffer
Model Number	E23217351
Product Dimensions	18.29 x 6.81 x 4.19 cm; 10 g
Colour	Chrome/Blue
Closure	Retractable
Grip Type	Contoured
Material Type	chrome
Number of Items	1
Size	1 count (Pack of 1)
Point Type	Medium
Line Size	M
Ink Colour	Black
Tip Type	ballpoint
Manufacturer Part Number	E23217351
Item Weight	10 g

SheafferSentinel - Refillable Ballpoint Pen, Blue Resin Finish, Chrome Trim

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