For big tough jobs, choose the popular Solid Marker. It marks through oil, grease, rust, mud, snow - inside or outside. It is absolutely permanent. The special "stay fresh" twist top keeps paint fresh and ready to use. Solid markers won't fade or wash off like chalk. (*Although please note, the fluorescent colors are not fade resistant.)
Commonly used by:
-Divers to mark things underwater
-Construction sites to label anything exposed to the weather
-Auto recyclers to mark sheet metal, auto parts, windows
Working temperature range: -10°C - 200°C (14°F to 392°F)
Applications: Steel, Rubber, Cloth, Plastic, Cardboard, Wood, Glass, Concrete, and more.