Utilizing a unique blending technology interlocking both white hog hair bristle and selected white synthetic filament, then combined within one brush. This gives superior durability over bristle hair alone and provides superior shape, shape retention, brush response and control over standard bristle brushes. With dark green enameled handles and nickel-plated seamless brass ferrules. Use for oils, alkyds, acrylics and caseins. Size 12 Flat measures 1" wide.