Classic Manual Pencil Sharpener. MAT WHITE. Heavy Duty but Quiet for Office and Home Desks, School Classroom. Carl Color Strength CS-8 Two-handed operation. Portable. Desk clamp included. Automatically draws pencil in and stops sharpening when tip is achieved. Steel body. ABS plastic parts are colorfast, strong and durable. Tool steel rotary cutter good for 5,000 uses. Replacement cutter assembly available. Quiet operation - just avoid using on a resonating surface.