A convenient trim size for small moldings, window sills, baseboards, etc. The 3" roller has 3/8" nap which is the choice for semi-smooth surfaces. Exclusive formulated woven fabric picks up and delivers more paint to the surface for better coverage. Durable thick core provides longer life. Use with latex or oil paints, stains, and enamels. Refer to model No. 1769725 for replacement roller or any standard 3" cover.