Paint Brush, Brush Style Flat Sash, Filament Type Natural, Filament Material Polyester/Nylon, Brush Size 4 in, Bristle Thickness 7/8 in, Bristle Length 3 15/16 in, Bristle Stiffness Firm, Handle Type Beavertail, Basic Handle Material Wood, For Paint or Coating Type All Paints and Coatings, Surface Material Drywall, Plaster, For Paint Base Type Oil, Water, Surface Texture Smooth, Rough, Application Interior and Exterior Painting Projects, Outdoor Projects with Different Temperatures and Humidity