This is a No.1 Precision Knife with Safety Cap from X-Acto.

FEATURES: X-Acto blades are extremely sharp!
         
- 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 on materials such as: paper,plastic, balsa, thin metal, cloth, film and acetate.
       
INCLUDES: One No.1 Knife with Safety Cap

SPECS:    Handle Length: 4-3/4"  (12cm)