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The Milwaukee Electric Tool Corp 48-22-3741 is an INKZALL red paint marker designed for marking on surfaces where standard markers fail. Built for trade professionals who need reliable, visible marks on metal, wood, concrete, PVC pipe, and conduit, this marker lays down a bold red line that resists smearing on wet, oily, or dusty surfaces. The INKZALL line is engineered for job-site conditions, making it a practical choice for electricians, plumbers, HVAC techs, and general contractors who mark materials throughout the workday. Sold in a pack of 12 units.
The 48-22-3741 is well suited for residential and commercial trade work where surface marking is a routine part of layout, installation, and inspection. Common applications include marking conduit runs, pipe cuts, duct sections, stud locations, and concrete anchor points. The red ink provides high contrast against most substrate colors, helping crews identify marked locations quickly in both indoor and outdoor settings.
Designed as a general-purpose paint marker compatible with standard trade marking applications across HVAC, plumbing, electrical, and construction work.
No installation is required for this consumable marking tool. Shake the marker and depress the tip on a scrap surface before first use to prime ink flow. Replace the cap after each use to prevent the tip from drying out. Store markers away from extreme heat sources to maintain ink consistency.
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