GENERAL PENCIL-Kneaded Eraser. Use this eraser to erase colour pencils, graphite, pastel, and charcoal or use it as a rub out tool to remove charcoal from your drawing and to create highlights. The tacky surface can be kneaded into custom shapes for detailed erasing. To renew eraser, simply knead until the surface appears clean. This package contains one 1-5/8x1x3/8in latex free, PVC free, kneaded eraser.