Alvin DUX glass inkwell manual pencil sharpener. An all-purpose woodcase pencil sharpener with glass shavings receptacle that has the look of ink wells from the turn of the century. Functional, beautiful, portable, and convenient. Approx. 1-ounce capacity. Single hole. Shipped in assorted colors (sorry, no color choice). Alvin DX2580N DUX glass inkwell manual pencil sharpeners are made in Germany. Uses Kum replacement blades sold at right.