With their metal barrels and bold, long lasting colour, BIC Intensity Metal Pro Permanent Markers are ideal for heavy industrial use. This is a truly permanent marker specially designed to leave jet black ink on demanding surfaces. Wet and oily surfaces, wood, glass, plastic and metal are no match for Intensity Metal Pro! From wood working projects to PVC pipes and more, this marker withstands temperatures –30°C up to +149°C, leaving a mark where you need it. Perfect for trades, and anyone working on different textures or in extreme conditions.