Use for inking to trace hollow lines. It gives the model a three-dimensional feeling and makes it appear more realistic. The effect is stronger when you choose the colour to ink according to the colour of the model parts. In general, you can use black for dark parts, grey for lighter parts and brown for red parts. Ultra fine, felt tipped marker for accenting panel lines on your latest model build. Colour: grey Perfect for most coloured surfaces Small size tip for most normal sized panels From the makers of Mr. Hobby/Mr. Color paints Super fine marker for inking groove lines Easy to use