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. Jumbo Koter Plastic Paint Tray, Made Of Black Recycled Plastic, 1/2 QT Tray, Use With 4-1/2" Rollers 15" L x 7-1/14" W x 3" D.