BOSTON 41 Pencil Sharpeners NOW known as Exacto! These highly regarded sharpeners have been manufactured for over 75 years. The best selling sharpener brand in the USA and dependably serving Aussie schools for generations. The ideal choice for schools, engineering and architectural firms and general central office use. NEED A NEW CUTTER? Replacement cutters readily available. Buy online or call one of our friendly customer service staff for assistance.