Roubloff is a world well-known manufacturer of professional brushes. They use German technologies adjusted by Russian professionals, allowing keeping high quality at most affordable prices.
Bristle for these brushes is neither too hard nor too soft, which is perfect for painting in oil and acrylic.
Filbert shape is the most popular one and can be successfully used for applying paint, blending, glazing, and other purposes.
Brush size = diameter of bristle at ferrule in mm
Made in Russia