Carl A-5 Pencil Sharpener, Green. Quiet for Office and Home Desks, School Classroom. Angel-5 Automatically draws pencil in and stops sharpening when tip is achieved. Two-handed operation. Portable. Desk clamp included. 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!