Deli Adjustable Desk Black Pencil Sharpener for Graphite & Colored Pencils Two-handed operation. Portable. Mounting not required. Automatically draws pencil in and stops sharpening when tip is achieved. ABS plastic parts are strong, durable, colorfast and recyclable. Tool steel rotary cutter good for 5,000 uses - Deli replacement cutter #0692 available. Quiet operation - just avoid using on a resonating surface!