The X-Acto #10 General Purpose Blade offers a unique blend of precision and durability. This extremely versatile blade can perform a variety of functions, from heavy duty cutting and carving to careful slicing and trimming. Good for long-term miscellaneous use, it can cut a wide range of medium to lightweight materials such as: cardboard, vinyl, rubber, foam, plastic, soft woods, and more. The #10 blades will fit #1 and #3 handles. Five blades per pack.