If you are looking for textured effects on your models, this Vallejo Round Weathering Synthetic Brush S (4) is your best choice. With sturdy synthetic fibers and rounded shape size S (4), you will be able to work in hard-to-reach areas and apply effects with great precision. The fiber length of this Vallejo Round Weathering Synthetic Brush S (4) is 11mm and the fiber width is 3mm.