ROLLER COVER 9" R295 1/2" NAP 50/50 | Made with natural lambs wool in a high-performance fabric blend, WOOSTER 50/50 is an affordable alternative to shearling its shed-resistant construction offers improved resistance to matting and spattering, along with excellent paint pickup and release characteristics often chosen for use on stucco and rough surfaces, WOOSTER 50/50 shears production time with all at, satin and semi-gloss paints.