The BIC Intensity PRO Permanent Marker is a truly permanent marker specially designed to leave jet black ink on demanding surfaces and in extreme conditions. The strong, durable bullet tip leaves long-lasting, fade-resistant color on almost any surface including wet and oily surfaces, wood, glass, plastic and metal. From wood working projects, to pvc pipes and metal, this professional-grade marker has quick-drying ink that performs from –22*F up to +300*F, making it perfect for contractors, carpenters, plumbers, industrial workers, and anyone who needs to mark on different textures or in varying conditions.