The Aquatec brush is a practical choice for thick and thin applications in oil or acrylic. Interlon is a soft synthetic fiber which is dark brown in colour. The filament is smooth enough to control fluid acrylics and oil glazes. The brush construction is full-bodied and provides firm control over thicker colour applications.
Rounds, with their round ferrule and staggered bristle lengths can be used for long lines. Try rolling a round while making a brushstroke. Many painters use rounds for details, while varying their brushwork