Get the job done with this 12 pack of Avery Marks A Lot black UltraDuty markers with fine bullet point tips. Built for situations where standard marking tools and permanent markers just aren't enough, industrial markers are perfect for construction sites, warehouses, workshops and more. Great markers for writing on plastic bins, wood pallets, metal pipes and concrete walls. The durable 1mm bullet tip also works with abrasive, wet, dusty and oily surfaces without clogging the tip. The bullet tip also helps you write in a fixed width for clean and consistent writing. Specially engineered to be resistant to water, abrasion and smearing, the fast-drying industrial-grade ink makes sure that your writing lasts even under the toughest of conditions and are perfect as outdoor permanent markers. The cap includes a useful clip to keep the marker secure, prevent rolling and as a way to hook into lanyards for easy access.