X-Acto - No. 10 General Purpose Blade - 5 Pack - X-Acto No. 10 Blades are general purpose curved blades for general purpose cutting, carving, and slicing of light weight materials such as paper, balsa, bass wood, plastic, light cardboard, vinyl, rubber, and foam. Use Xacto Number 10 Knife Blades with the Xacto Type A handle. Includes 5 Blades.