Perfect for lines, edging, and trim work. Sturdy 5-wire cage, built like standard 9" frames, keeps the roller cover round. Galvanized 1/4" shank, polypropylene endcaps and threaded grip. 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.