Technical specifications and brush sizes are given in millimetres. For round brushes, the size given corresponds to the internal diameter of the ferrule.
For flat-shaped brushes, cat's tongue and flat brushes the size given corresponds to the internal length of the ferrule.
Each flat brush series has specific ferrule thickness, we therefore advise to check the technical specifications before purchasing.
The measurements expressed are indicative and unrepresentative and have a tolerance of 10%.