High-production blend of 50% high-capacity lambs wool and 50% non-matting polyester for 100% performance in all flat or satin paints, stains and sealers. Popular 1/2" Nap for semi rough surfaces. Great for an end cap or stack out. The Wooster Brush Company has been manufacturing innovative, high-performance painting tools right out of Wooster, Ohio USA since 1851. Our trade names include Ultra/Pro, Advantage, Yachtsman, Shortcut paint brushes; Super/Fab, Super Doo-Z roller covers; Sherlock frames and extension poles; Jumbo-Kotler minirollers and Prep Crew surface prep tools. You can feel confident knowing Wooster is the name behind your painting tools.