The X-ACTO #10 General Purpose Blade is a unique blend of precision and durability. This extremely versatile, general purpose blade can perform a variety of functions – from heavy duty cutting and carving to careful slicing and trimming. If you are only going to buy one cutting blade, we recommend this one. The #10 General Purpose Blade from X-ACTO works with a large variety of medium and lightweight materials: Light cardboard Vinyl Rubber Foam Plastic Soft woods And more X-ACTO blades are designed to allow you to make the careful and detailed cuts you need time and time again. Our blades are created with care and exceptional craftsmanship, producing a cutting edge that stays sharp. An X-ACTO quality blade is always ready when you need it. The original X-ACTO knife has been praised for more than 50 years as the standard for precision. Attaining this level of precision, accuracy and reliability starts with supreme quality craftsmanship. X-ACTO knife blades are crafted with sharpened carbon steel for a reliable cut and a strong blade. X-ACTO knife blades fit with most X-ACTO knife models.