This Redtree 3-Inch roller frame comes with a cover. Optimal for use in smaller areas and compatible with all marine coatings. The smooth to semi-smooth surface and medium 3/8" nap of this roller cover make it excellent for applying bottom paints, epoxies, and resins. Redtree marine paint rollers feature heat-cured pressure impregnated phenolic cores for the ultimate in solvent resistance.