Mr Surfacer 500 - grey primer micro filler. Can be diluted with either Mr Thinner or Mr Levelling Thinner.
Once diluted for best results apply with an airbrush.
Covers minor scratches and surface imperfections. Dries quickly and can be sanded and polished once dry. Can be applied in multiple layers as needed for that perfect finish.
Available in three different grades - 500, 1000 and 1200. The lower the grade the thicker and rougher it is.