PRODUCT : PENTEL PAINT MARKER – SILVER DESCRIPTION : Pentel have improved even further the opacity of these pens for a stronger bolder colour. Available in 3 different tip sizes each pen has an sturdy aluminium body and high quality fibre tip. Use on any kind of surface: steel, rubber, wood, plastic, glass, paper, textile, cardboard, tiles Extra-Fine 1.0mm Bullet Tip writes a 0.5mm line Fine 3.0mm Bullet Tip writes a 1.0mm line. Medium 4.5mm Bullet Tip writes a 2.0mm line.