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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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Specifications
Permanence Permanent
Marker Type Oil-based Paint
Opacity Opaque
Actuation Pump Activated
Barrel Aluminum
Content Capacity 30mL
Surface Features
Surface Condition Wet, Oily, Rusty, Underwater, Dirty, Rough
Application Temperature use at -50°F to 150°F (-46°C to 66°C)
Nib Details
Stroke Widths Available #4 Broad Tip 1/8", 3.2mm Metal Ball Point
Nib Types Available Metal Ball Point
Nib Features

The steel rolling ball point tip glides effortlessly across smooth, abrasive, and uneven surfaces where felt or fiber tips break down.

Resists wear and continues to write through wet, oily, rusty, or contaminated conditions, even underwater.

Need Custom Sizes & Colors?
We can accommodate custom requirements → Request a Custom Solution
Durability
Resistance & Durability Weather Resistant, Washing Resistant, Oil Resistant, Grease Resistant, Abrasion Resistant
Outdoor Longevity 10+ years
Uses
Application Under Water, Inspection, Identification, Outdoor
Industries Construction & Infrastructure, Manufacturing, Metal Fabrication, Maintenance Repair Operations (MRO), Identification, Shipbuilding & Marine
Description

The Mighty Marker® MM-94 Rolling Ball Tip Marker is built for surface conditions that destroy standard paint markers. A rear pump mechanism builds internal pressure inside the metal barrel, so all 30mL of paint gets used, with no wasted product and no premature dry-out. Press the pump once and hold the marker upright while writing for best results.

The steel rolling ball point tip, a broad #4, 3.2mm line width, glides effortlessly across smooth, abrasive, and uneven surfaces, delivering controlled, legible marks in wet, oily, rusty, and otherwise contaminated conditions, even underwater, where felt or fiber tips quickly degrade.

Industrial-grade permanence: thick, bright, opaque, and weatherproof marks resist direct sunlight and stay legible outdoors for 10+ years. Manufactured in the USA by Arro-Mark®, 70+ years of industrial marking craftsmanship.

Hazmat Information

Our products are not corrosive to metal. For Industrial use only. Keep away from children. WARNING: Cancer & Reproductive Harm - www.P65Warnings.ca.gov.

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 the 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.