1" paint brush ideal for cutting in around switches and sockets. Designed for use with emulsion paints on walls and ceilings. Faster painting than Harris Essentials brushes. No bristle loss for a smooth finish. Rinse before use for optimal results. The Harris Ultimate Paint Brush (1") is specially designed for cutting in around light switches, plug sockets, and other detailed areas. It works seamlessly with emulsion paints to deliver a smooth, professional finish on walls and ceilings. This brush allows for faster painting than standard brushes, saving valuable time during your project.