No.1 Precision Knife from X-Acto. Type A, all aluminum handle designed for in-the-hand comfort. Textured handle provides for a firm grip, balanced for control in use. The #11 Classic Fine Point Blade is precision-crafted of the highest quality carbon steel with hard, sharp points and finely honed cutting edges. It's designed to handle a variety of tasks. Used for precision cutting and trimming. Other blades that will fit this handle are: General Purpose, Fine Point, Mini Curved Carving, Micro Saw, Scoring, and Lightweight Chiseling.