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 degrees celcius up to +149 degrees celcius, leaving a mark where you need it | Perfect for trades, and anyone working on different textures or in extreme conditions | A truly permanent marker specially designed for demanding surfaces | Ultra-fade and water-resistant, even in extreme conditions | Metal barrel and strong durable bullet tip.