Mini Paint Rollers Cover Type Standard Surface Texture Semi-Smooth Compatible Roller Frame Style Cage 4 1/2 in Overall Length 3/8 in Nap Size Surface Material Brick Concrete Drywall Masonry Wood Paint Type Flat Paints Eggshell Paints Satin Paints Stains Waterproofing Core Diameter 3/4 in Cover Material Knit Fabric Core Material Polypropylene For Use With 8619 BR403-4 1/2 RR013 RR014 RR323 Package Quantity 2