Shur-Line 55507N Premium High-Density 9-Inch Knit Roller Cover, Low Lint, 1/2 Inch Nap, Semi-Rough Surfaces (Textured Walls/Concrete), 3-Pack Professional quality roller Ideal for use with the thicker Paint + Primer paints on the market today 9 inch wide with 1/2 inch nap designed for use on textured walls, ceilings, concrete and other semi-rough surfaces High density knit fibers hold more paint for fewer trips to the paint tray 100% polypropylene core with patented thermo-bond technology ensures virtually lint free performance Engineered for use with all paints and stains including oil and latex