Desert Song Manual Pencil Sharpener, Black, Quiet for Office, Home and School Automatically draws pencil in and stops sharpening when tip is achieved, producing a perfect point Suitable for 7 mm to 8 mm diameter triangle, hexagon, round pencils, etc Strong ABS body with fixator which fastens pencil sharpener to desk edge Tool steel rotary cutter good for 5,000 uses - Deli replacement cutter #0692 available. The cutting blade can be easily removed for cleaning or replacement