This hog bristle stencil brush is used for working with stencils and other marking applications. This versatile artist's brush has a corrosion-resistant nickel-plated ferrule and a hardwood handle. This size 4 brush has a 3/4" trim with a diameter of 0.315", and an overall length of 5-3/4". Naturally stiff hog bristles are strong yet springy and have natural split-ends which make them great for loading paint. Ideal for use with oils and acrylics.