Purdy 662091 9" x .25" White Dove Deluxe Dralon Paint Roller Cover: * Features .075" phenolic resin cores which we believe to be the strongest, most solvent-resistant core on the market today * Wound with a perfect spiral seam, a Purdy exclusive, for smooth rolling with no swerving or fishtailing * Great care is given to maintaining our precise, even bevel which eliminates "tracking" * Clean, lint-free cover is double-cleaned to eliminate any possible fibre shedding * .25" pile height, smooth surfaces for oil and latex enamels