As a professional paint brush manufacturer, we can tell you that most interior and exterior painting projects will require more than one brush. Use a 3-4 inch brush for cutting in long, straight lines on open sections of wall. Also keep a 1 1/2 inch brush handy for use along trim and in tighter spaces.
We wholesale paint brush such as natural bristle paint brush, mixed bristle paint brush, synthetic fiber paint brush, natural wood handle paint brush and so on. Please feel free to contact us if you need our paint brush.