Purdy Pro-Extra High Capacity paintbrushes are designed to hold 40 percent more paint compared to Purdy Pro-Extra Glide, when used with premium paints and increase painter productivity. This painting tool is perfect for high production with all paints and primers. With stiff bristles made of nylon, polyester and Chinex-blended filaments, these brushes are designed for abrasive surfaces - both indoors and outdoors. high-quality global materials. Ideal for drywall, siding board, brick and concrete block.