The Amsterdam 602 Series Paddle Brushes feature high-quality synthetic hairs which will retain their shape and that work exceptionally well with both pasty and thinner acrylics. They are perfect for covering large surfaces and varnishing, but also gives you the ability to work expressively and do calligraphy. The hairs are mounted on the ergonomic handle with a strong nickel-plated brass ferrule. The flat handle provides ultimate control.