The mainstay of professional painters. Long recognized for its ability to hold and deliver more paint than any material, black china bristle reaches its ultimate potential in Purdy handcrafted professional brushes. Starting with the finest bristles which are cleaned and straightened, varying bristle lengths and stiffness are blended to deliver exceptional quality, wearability and performance when applying oil-base enamels, primers and stains. 7/16 inch thicknessSquare edge ferruleBlack china bristle naturally flagsBest for use in oil based paints and stainsMade of 100 percent black chinaOil-based paint and stain typeOil base paintsNatural hardwood, Rattail handle typeSquare edge, stainless steel ferrule type