A Pencil Sharpener embedded in 250 years of industrial prowess 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 unrivalled 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. Or both. Chrome plated, solid metal.