This Edding 8404 permanent marker features ink that is tested and approved by British Aerospace (BAE ABP-9-3323 class A) and is ideal for labelling and marking components. The low odour ink is lightfast, waterproof, low corrosion and resistant to many solvents and varnishes. The marker has an ultra fine tip for a 0.75mm line width and can be used on a variety of surfaces, including glass, metal, wood and plastic. This pack contains 10 black markers.