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Official Store of Mighty Marker® by Arro-Mark®, 70+ Years of Craftsmanship.
Manufacturer of Specialty Paint & Ink Markers in the U.S.A.

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Markers for Nuclear & Power Generation

Guaranteed Authentic

70+ Years of Expertise

Manufactured in the USA

Custom Markers Made to Spec

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9 products

Permanent Ink Marker

MM-08 Mighty Marker® High Purity - Large

Large reversible bullet & chisel nib. Lab certified for nuclear and aerospace.
Regular price $9.50
Sale price $9.50 Regular price

Permanent Paint Marker

PM-19HT Mighty Marker® High Temperature

Marks become indestructible on metal when heated
Regular price $10.25
Sale price $10.25 Regular price

Permanent Ink Marker

MM-38 Mighty Marker® Stainless Steel

Marks stainless steel and titanium without corrosion risk.
Regular price $6.95
Sale price $6.95 Regular price

Permanent Paint Marker

PM-34HT Mighty Marker® High Temperature - Super Jumbo

Marks become indestructible on metal when heated
Regular price $12.50
Sale price $12.50 Regular price
MM-01 Mighty Marker High Purity - Fine - Capillary

Permanent Ink Marker

MM-01 Mighty Marker High Purity - Fine - Capillary

Fine Tip Capillary-fed. Ready to write, no priming needed.
Regular price $7.50
Sale price $7.50 Regular price

Permanent Ink Marker

MM-06 Mighty Marker High Purity - Extra Fine

Extra fine 1.0mm nib. Lab certified for nuclear and aerospace.
Regular price $9.25
Sale price $9.25 Regular price

Permanent Ink Marker

MM-07 Mighty Marker High Purity - Fine

Fine 1.2mm bullet nib. Lab Certified for nuclear and aerospace.
Regular price $8.75
Sale price $8.75 Regular price
MM-11 Mighty Marker High Purity - Medium

Permanent Ink Marker

MM-11 Mighty Marker High Purity - Medium

Medium 2.3mm nib with clip cap. Lab certified for nuclear and aerospace.
Regular price $7.50
Sale price $7.50 Regular price

Permanent Ink Marker

MM-09 Mighty Marker High Purity - Shorty

Shorty 3-Edge chisel nib. Lab certified for nuclear and aerospace.
Regular price $12.00
Sale price $12.00 Regular price

Why Buy A Mighty Marker®

Behind every Mighty Marker® is 70+ years of craftsmanship, in-house formula development, custom engineering, and compliance-ready manufacturing. Designed to solve your exact marking challenge.

Built on Craftsmanship Since 1956

That craftsmanship runs deep. Arro-Mark®'s team develops formula chemistry, tests surface compatibility, and validates performance under real industrial conditions. Expertise comes with every marker.

Formulas Developed by Arro-Mark

Every Mighty Marker® formula is proprietary. What's in the marker is developed and manufactured exclusively by Arro-Mark® in Englewood, NJ. That means consistent performance, batch after batch.

Engineered for Your Application

When standard markers don't cut it, come to Arro-Mark® directly. Our team works with you to engineer marker solutions for your surfaces, conditions, compliance requirements, mark size, and color - not a generic substitute.

Compliance? Come to the Source

Low-chloride, MIL-spec, ASTM, nuclear-grade - if your application requires certified documentations, Arro-Mark® has it. We've been supplying compliance-ready markers to regulated industries for decades.

Need something Specific?

Let's Engineer the Right Marker

Can't find a marker that does exactly what you need? Arro-Mark® will engineer a custom marker to your spec.

Your Needs, Our Expertise

Markers built for your unique surface, condition, application, and compliance.

Request Custom Markers

We're here to help with technical questions, choosing a marker, or order status.

Talk to an Expert