This lightweight mini manual desk sharpener is equipped with a helical blade that can sharpen a variety of different pencil sizes. It comes with a clamp that will securely fasten the sharpener to a desk or workspace. The casing is made from hard plastic and stands 4" in height. Details:Sharpens up to 8mm pencil diametersHigh quality helical bladesIncludes desk clampVisible shavings reservoirEasy to empty via quick sliding front cover