chungking boiled bristle, brush bristles, top quality, 1.7",2",2.2",2.5",2. ... .2",3.5",3.7",4", superior bristle. chungking boiled bristle,brush bristles,top quality,1.7",2",2.2",2.5 ... thin angled sash brushThin angled sash brush that provides exceptional cut-in control. Heavy-duty, stainless steel ferrule and soft synthetic ...