X-ACTO PowerHouse electric sharpener is one of the most powerful electric pencil sharpeners available for the money. Offers power and precision that can handle even the toughest wooden pencils while remaining gentle enough for composites and recycled wood pencils. Great for hard-to-sharpen composite and recycled pencils, as well as standard-size wood pencils. Quiet operation. Pencil-Saver prevents oversharpening and Auto-Reset eliminates motor burnout. Heavy-duty, high-performance motor designed for durability, with precision, carbon-steel cutting blades. 2-year limited warranty. Bold, compact styling and blue design is appropriate for any workspace. Boston X-ACTO 1792 PowerHouse heavy-duty electric pencil sharpener.