Sold as one unit. (1 unit = each.) Attaches directly to any Graco spray gun to turn sprayer into a pressure roller system. Over 2 times faster than traditional rolling methods. Kit includes 1 each: 9" roller frame, 1/2" nap roller cover, 20" extension and 45 degree gun connection. Use roller covers: 1/2" (SKU # 1375732), 3/4" (SKU # 1375740), 1-1/4" (SKU # 1375765). Clamshell . Manufacturer number: 244512. SKU #: 1375724. Country of origin: (TBA). Distributed by Graco, Inc.