PX PX-02661 PBT 1" long rattail angle sash paint brush, designed to perform well with all paints and have superior performance with today's low VOC and "paint and primer in one" coatings. PBT filament is engineered to retain stiffness in high temperature and humid environments, has high abrasion resistance and durability and is solvent resistant for easy clean-up and reuse. Hard natural sanded beech wood handles with low moisture absorption prevents handles from contracting and expanding leading to a longer brush life. Oval shaped stainless steel ferrules are thicker than standard brushes maximizing paint pickup and release and deliver smooth even coverage.