Wingnuts are an ingenious piece of hardware designed with two metal “wings” one each side, so that they can be easily turned and tightened by hand without tools. This same principle applied to the pencil sharpener allows unrivaled ease of operation.Our industrial heritage offers something tactile and appealing in an age of modern gadgets.Perfect for anyone with a workshop, or a pencil.The Wing Nut Pencil Sharpener – a pencil sharpener embedded in 250 years of industrial prowess!