Classic firm formulation of purple nylon and sable polyester, a top-seller for more than 15 years, provides exceptional cut-in control. Great for all medium-bodied coatings like acrylic paints or latex enamels, warm temperatures indoors or out, and whenever a painter wants a time-saving firm brush. Green Shergrip handle, made of a solvent-resistant elastomeric material, has a softer feel for greater comfort and non-slip control. Round steel ferrule, chisel trim. Angle Sash.