The Tri-Tip™ eraser has a unique triangular shape that is easy to hold and offers several erasing options. The broad surface area quickly removes large areas of unwanted pigment and the tips allow you to remove small amounts of pigment or create precise, lift-out lines.  This gentle eraser is non-abrasive and will remove all types of charcoal, graphite, and pastel pigment marks from all types of drawing and fine papers, canvas and wood surfaces. Latex Free