Wooster Brush RR393-4-1/2 Jumbo-Koter Pro/Doo-Z Kit 3/8-Inch Nap, 4 1/2-Inch Includes: RR302-4 1/2" Pro/Doo-Z 3/8" nap 2-pack; RR013 Jumbo-Koter Roller Frame; and BR403-4 1/2" Jumbo-Koter Tray Refills are RR302-4 1/2" Pro/Doo-Z 3/8" nap - 2 Pack Use with all paints, enamels, primers, urethanes, epoxies Great starter kit