The Set of 4 Ateco Cake Decorating Brushes are ideal for applying color to gum paste or working with luster dust. Ateco artist brushes are great for fine detail work. Made with sable bristles and rust-resistant nickel ferrules (connecting ring). Since 1905, Ateco has manufactured tools to help professionals as well as enthusiasts create extraordinary looking cakes, cookies and pastries. Ateco products begin with the finest materials, from metals to fabrics to plastic films and undergo testing for durability, reliability, and quality. They are made to last under the punishing conditions of restaurant and high-output commercial kitchens. Happy baking! Happy decorating!