The Wooster 2" Factory Sale Polyester Trim Brush is most likely a product available at a discounted price directly from Wooster's factory. This brush is intended for a variety of trim and detail painting chores, including edging, cutting in, and painting small areas with accuracy. The 2-inch width makes it ideal for delicate work requiring control and accuracy.
The brush has polyester bristles that are long-lasting and compatible with a wide range of finishes, including paints, stains, and varnish. While the "Factory Sale" tag indicates that it may be available at a lower price, it is likely to meet Wooster's quality and performance standards.