Free shipping and returns on MAC 239 Eye Shader Brush at Nordstrom.com. The 239 Eye Shader Brush is a soft, dense brush ideal for shading or blending eyeshadow. It has a rounded edge with smooth, firm, fine fibers and can be used to build or press intense color on the lid. M·A·C professional brushes are hand-sculpted and assembled using the finest quality materials. They feature wood handles and nickel-plated brass ferrules.