Convenient, self-feed feature provides just the right constant pressure - sharpens even delicate, expensive charcoal and pastel pencils without oversharpening. Also great for colored pencils. Extra large pencil opening accommodates standard and oversized pencils. Spring-loaded chuck keeps pencil centered. Removable forged steel cutting head. Adjustable point selector allows for perfectly pointed or blunt sharpened pencils. Features a large-capacity, slide-out, clear shavings cup. Includes a table mounting clamp.