Milwaukee Tool’s Inkzall black fine-point marker has a clog-resistant tip, and it enables users to write on surfaces that are dusty, wet or oily, as well as rough surfaces such as OSB, cinder blocks and concrete. The ink dries quickly to reduce smearing of markings but doesn’t dry out quickly when the cap is left off.

Artline’s EKPR special-purpose markers for tradespeople include high quality ink and strong barrels. The range includes a general purpose, exterior, builders, concrete, gardener’s, plumber’s and an electrician’s marker. Each marker has important attributes listed on the side—such as UV-resistant, fast-drying, waterproof, instant drying—so users can easily identify the best marker for each job. The double-sided, instant-drying electrician’s marker has a nonconductive barrel and ink.

Sharpies’ Pro Precision marker is designed for tradesmen, construction workers and contractors. A new ink enables users to write through water, oil, dust and on abrasive surfaces. It has extra ridging for grip in work gloves or with dirty hands and has an anti-roll shape.

U-Mark’s U-Phase wire marker marks up to 6 AWG wire for phasing of electrical panels, color coding, identifying and wiring circuits, marking computer and telephone cables and automotive wires, etc. It is designed to resist abrasion, moisture, dirt, oil and UV light. It adheres to clean sheath permanently and dries in approximately 90 seconds. It is non toxic and available in 11 colors. 


Milwaukee Tool’s INKZALL liquid paint marker writes on dusty, wet or oily surfaces, and is optimized for darker job-site surfaces such as black pipe and structural steel, with extreme temperature (up to 300°F) and weather exposure. It is flat with a textured barrel and comes in white, yellow, black, red, green, blue, orange, and metallic silver and gold.