Paint Roller Cover, Cover Type Standard, Surface Texture Smooth, Compatible Roller Frame Style Cage, 9 in Overall Length, 1/4 in Nap Size, Surface Material Brick, Concrete, Drywall, Masonry, Wood, Paint Type Oil Based Paints, Water Based Paints, Core Diameter 1 1/2 in, Cover Material Mohair Fabric, Core Material Polypropylene, For Use With BR549-11, R017-9, R030-9, R402-11, R404-11, R405-13, R501-9