Utility Blades 18 mm, 10 pieces. 10 high-quality utility blades for versatile cutting tasks. These blades made from SK5 steel offer outstanding performance and sharp, precise cuts. They are perfect for a variety of tasks such as cutting cardboard, carpet, or plastic. Each blade features 7 snap-off segments that ensure a consistently sharp blade tip. Ideal for Bosch utility knives and other common utility knives. Includes a plastic case with a transparent lid.