Description :
 The Milwaukee 48-22-3106 INKZALL™ Permanent Marker is designed for tough jobsites. Its clog-resistant tip writes on dusty, wet or oily surfaces, as well as rough materials like concrete and plywood. Its ink dries quickly to prevent smudging, even when the cap is left open. Plus, it has a built-in clip for easy storage on a hard hat. This product is also available in stores.