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The MILWAUKEE 97251 is a Pro-Line XT liquid paint marker designed for permanent marking on a wide range of surfaces. The liquid paint formula delivers consistent, opaque lines that resist smearing and stand up to harsh job-site conditions including moisture, heat, and UV exposure. Sold individually, this marker is a standard tool for tradespeople who need reliable, high-visibility marks on pipe, conduit, ductwork, concrete, metal, wood, and other materials. The yellow ink provides strong contrast against dark or unpainted surfaces, making marks easy to spot during and after installation.
This marker is suited for use across HVAC, plumbing, electrical, and general construction trades. Technicians use it to label pipe runs, mark cut lines, indicate flow direction, and flag inspection points. The Pro-Line XT formulation is intended for professional job-site use where standard markers fail due to surface texture, moisture, or temperature. It performs on both porous and non-porous surfaces, making it versatile across indoor and outdoor applications.
Designed as a general-purpose liquid paint marker compatible with typical trade marking applications across HVAC, plumbing, electrical, and construction job sites.
No installation is required for this consumable marking tool. Ensure the tip is properly primed before first use by pressing it against the marking surface to allow paint flow. Store horizontally or tip-down when not in use to maintain ink saturation. Keep caps secured to prevent tip dry-out between uses.
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