This safe sharpener by Tombow uses high quality Japanese blades to easily sharpen pencils without damaging the lead. Two types of blades; small for color pencils and a larger for standard lead pencils. Tombow is passionate about offering the finest and most innovative executive pens, office supplies, and arts and crafts products on the market today. Whatever your project, from preparing documents to scrapbooking to fine art projects, you can count on Tombow for unmatched quality and design.