Purdy's XL series is the most versatile brush series, designed for use with all paints and stains. The XL series has a distinctive copper ferrule with the right blend of DuPont solid, round and tapered Tynex and Orel filaments for brushes that perform no matter what the job. The XL brushes ideal for interior and exterior projects with all types of paints, they also work great in all types of environments. XL brushes are highly recommended for both interior and exterior painting projects with all paintsEach brush style has its own hand-chiseled formulation for maximum paint lift and smooth applicationThe stiffness retention of XL brushes makes them especially high-performing for outside painting under hot and humid climate conditionsAdditional sizes available3 inch size