where are they manufactured?

There is nothing listed on the package to indicate where it is manufactured.

Is the hr-100tm ink roller compatible with casio hr-170rc model ?

I have a Casio HR 100TM, don't know if the ink roller will also fit the HR 170rc model

How long does a cartridge last typically?

It greatly depends on usage and it is very subjective as to when the print is "light" but I would estimate a few months on average is a fair estimate for medium use.

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🖤🔴 Ink your success with every calculation!

TRIPLE PACK VALUE - Three individually sealed rollers ensure you’re always stocked and ready to calculate.
BROAD COMPATIBILITY - Fits a wide range of Casio printing calculators, from HR-100TM to HR-300RC and beyond.
DUAL COLOR PRECISION - Switch seamlessly between black and red for clear, professional printouts.
RELIABLE REPLACEMENT - OEM-quality ink rollers designed to keep your calculator printing crisp and consistent.
COMPACT LIGHTWEIGHT - Slim 7x2.5 inch rollers that won’t weigh down your workspace or your budget.

This 3-pack of COMPUMATIC IR-40T ink rollers offers dual black and red ink cartridges compatible with multiple Casio printing calculator models, including HR-100TM, HR-150TM, HR-300RC, and more. Each roller is individually sealed to maintain ink freshness and ensure reliable, crisp printouts. Lightweight and compact, these replacement rollers provide a cost-effective solution to keep your calculator performing at peak precision.

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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Manufacturer	CTR
Brand	COMPUMATIC
Item Weight	0.1 ounces
Product Dimensions	7 x 2.5 x 0.04 inches
Item model number	IR40T
Is Discontinued By Manufacturer	No
Color	Black/Red
Size	3 Pack
Manufacturer Part Number	TC100rib

(3 Pack) COMPUMATIC Compatible/Replacement Calculator Ink Roller, Black/Red IR-40T, for Casio HR-300RC HR-200RC HR-170RC HR-150RC HR-100RC HR-100TM HR-150TM and More

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