Strong commitment – edding industry painter Even the toughest surfaces are no match for the edding 950 industry painter. This industrial marker can write on uneven, wet or rough surfaces. This pen doesn’t use ink, but rather a highly-opaque and extremely durable coloured paste. It marks wood, stone and concrete as well as many other materials and can be used in a wide range of temperatures. The paste is non-drip and even writes under water or in the rain. The edding 950 industry painter is available in three colours and includes a turning mechanism that moves the bullet nib in and out.