The Harris Ultimate Woodwork Gloss 21mm Round Paint Brush is superior in quality, look and feel. It combines innovative materials to provide an excellent finish while making decorating easier. The brush head is packed full of advanced synthetic filaments which Guarantees No Bristle Loss thanks to Harris's patented technology. You will never need to spend time picking bristles out of paint work at the end of a project. The 21mm Round Brush is ideal for painting intricate sections of interior wooden trim such as doors, door frames, window frames, ornate skirting boards and stair banisters.