Mac 210 Synthetic Precise Eye Liner BrushMac 210 Synthetic Precise Eye Liner Brush Description: For the precision lining of the eye area or body detailing and design. This brush with an extra fine tip has smooth, synthetic fibers of just the right length and density for lining the eyes. MAC professional brushes are hand sculpted and assembled using the finest quality materials. They feature wood handles and nickel plated brass ferrules.