Where space is at a premium, this compactly designed desktop pencil sharpener is a great option. Hardened steel helical cutting blades deliver a clean, sharp tip every time. The auto-stop function lets you know when the pencil is sharpened, thus preserving the life of the pencil. Where space is at a premium, this compactly designed desktop pencil sharpener is a great option. Hardened steel helical cutting blades deliver a clean, sharp tip every time. The auto-stop function lets you know when the pencil is sharpened, thus preserving the life of the pencil. Thermal overload shutdown prevents motor damage and restarts once the motor has cooled sufficiently. If the tray is removed from the receptacle, a built-in safety feature stops the motor. Global Product Type: Pencil and Crayon Sharpener-Desktop; Pencil Sharpener Type: Desktop; Power Type: Electric; Cutter Materials: Hardened Steel.