Filbert brush. The Graduate collection is specifically designed to meet the needs of beginner artists and students who want to practice and perfect their skills. Daler-Rowney Graduate XL Natural Hog Bristle Filbert long handled brush is perfect for painting with oils and applying gesso and varnishes. The oval shaped tip of the Filbert is ideal for applying large blocks of colour into curved areas, general washes and painting rounder shapes. The Graduate XL range is a comprehensive offer of oversized brushes, designed especially for artists creating large format works in traditional, mixed media and urban techniques. With its natural bristle filaments, this brush is perfect for painting with oils and is also great for applying gesso and varnishes on a variety of surfaces from canvas to brickwork. A perfect brush for students and hobby painters alike, providing excellent value for money. Handmade in the Dominican Republic.