PAINT BRUSH WITH A CASSETTE COLLAR WITH INWARD EXTENDING PARTS

The disclosure relates to a paint brush (1), comprising a handle (2), a cassette collar (3) and a bundle of bristles (4) comprising a plurality of bristles (5), wherein the cassette collar (3) is connected to the handle (2), the cassette collar (3) comprises a wall (31) defining a recess (32) and one or more inward extending parts (33) connected to the wall (31) and positioned in the recess (32), the bundle of bristles (4) comprises a top bundle part (41), a bottom bundle part (43) and a middle bundle part (42) positioned between the top and bottom bundle parts (41,43), the plurality of bristles (5) being arranged such that they extend from the bottom bundle part (43) to the top bundle part (41), the bundle of bristles (4) is connected to the cassette collar (3), at least by that at least a portion of the bottom bundle part (43) is arranged in said recess (32), and the inward extending parts (33) extends from the wall (31) and protrudes into the bottom bundle part (43) arranged in the recess (32) and are configured to increase a circumference (A) of the middle bundle part (42) to be larger than a circumference (B) of the recess.