Wooster Brush 4181-3 Ultra/Pro Firm Willow Thin Angle Sash Paintbrush, 3-Inch High-production performance makes Ultra/Pro Firm the best-selling blend and a favorite for over 20 years. Featuring a mix of purple nylon and sable polyester, it?s truly an all-purpose brush for use with medium-weight coatings such as acrylics or enamels, indoors or out. With outstanding paint capacity, excellent release, and masterful cut-in control, Ultra/Pro Firm saves painters time wherever a firm brush is needed. Just-right flex and taper provide even coverage with good glide. For the moderate touch, look for the purple and brown filament and the maroon stamp on the handle. 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 paintbrushes; Super/Fab, Super Doo-Z roller covers; Sherlock frames and extension poles; Jumbo-Koter minirollers; and Prep Crew surface prep tools. You can feel confident knowing Wooster is the name behind your painting tools. Features Top-selling firm blend of nylon and polyester for balanced flex Recommended for use with medium-weight coatings indoors or out Provides good glide and excellent coverage for all-purpose painting Square rust-resistant steel ferrule Sealed maple tapered wood handle USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.