Work through the toughest conditions with this 12 pack of Marks A Lot® black UltraDuty markers with bullet point tips. Designed for times when traditional permanent markers just can't handle the job, UltraDuty markers are ideal for workshops, warehouses and construction sites. 1mm point bullet tip makes it easy to write consistent and clean lines.
Heavy duty industrial marker designed for jobsites and harsh conditions
Industrial-grade ink makes these the best permanent markers for concrete, wood, metal and more
Durable permanent marker tips resist clogging and are perfect for wet, oily and abrasive surfaces
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