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The BSC PREFERRED MK404RD is an industrial-grade felt marker designed for heavy marking tasks in demanding work environments. Built with a sturdy felt tip, this marker writes on wet and oily surfaces where standard markers fail. The permanent ink formula is water-resistant and dries quickly, making it suitable for job-site tagging, inventory labeling, parts marking, and surface identification in trades and industrial settings. Each case contains 12 markers, supporting high-volume use across crews or stocking at service benches. The marker is sold by the case with a minimum order of one case.
The MK404RD is suited for applications where durable, legible marks are required on surfaces that may be contaminated with moisture, grease, or oil. Typical uses include marking pipe, conduit, ductwork, equipment housings, and packaged materials during installation or inspection. Trade professionals in plumbing, HVAC, electrical, and general construction will find this marker practical for on-site identification work. The equivalent part number H-384BLU is noted for cross-reference purposes.
Equivalent to part number H-384BLU. Designed as an industrial-grade replacement or direct substitute for heavy-duty felt markers used in trade and industrial marking applications.
No installation is required for this consumable marking product. Store markers horizontally or cap-down when not in use to maintain tip saturation. Keep caps secured when not in use to prevent ink from drying out. Dispose of spent markers in accordance with local regulations, as the ink formulation is permanent and solvent-based.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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