This Boston Electric Pencil Sharpener Model 18 Hunt Black USA is a vintage item that has been tested and works perfectly. It is made of both plastic and metal materials and is a great addition to any collection. The sharpener is designed to hunt black leads and is perfect for those who enjoy vintage items. It was manufactured in the United States and has not been modified. This pencil sharpener is a great desktop item and is perfect for those who enjoy collecting vintage pens and writing instruments.