The MILWAUKEE INKZALL Black Extra Large Chisel Tip Jobsite Marker is optimized for job site conditions. The extra large chisel tip lets users write bigger and bolder for clear visibility. The construction marker features a durable tip that is designed to write on dusty, wet or oily surfaces. It is clog resistant, providing users with clean, continuous marking. Quick Dry ink also reduces the likelihood of smearing after use. The permanent marker can be left without a cap on for up to 72 hours and remain completely functional. INKZALL markers showcase Milwaukee's relentless mission to provide users with innovative solutions and commitment to best-in-class durability.