Wooster RR308-6 1/2 Pro Foam, 6 1/2-Inch Jumbo-Koter rollers are made with Wooster branded fabrics to greatly increase capacity and consistently match finishes to our full-size rollers. Their open, 3/4? core makes cleaning easy and refills cost less. Trilingual, color-coded bags have headers for better merchandising. For use only with Jumbo-Koter cage frames. 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 2-Pack 6.5? Roller Covers Use With Enamels, Varnishes And Paints Compatible With Any Jumbo Koter Cage Frame Brand Name: Wooster Brush 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.