A wonderful tool in making custom mirrors. This Pencil Style Eraser makes the task of selectivelty removing the backing of a Mirrorcraft Mirror really easy. It is used just like a pencil to rub along the edges of a stencil to remove paint & silver, and helps to break up backing paint in larger areas. This is a great tool for obtaining a crisp and sharp outline in your mirror design. FREE Pencil Sharpener included with each Eraser. Eraser color can vary.