Extra Soft White Vinyl Eraser ES-20 - Ideal for erasing charcoal and pastel on fine papers, watercolor papers, and vellum. Sometimes called the "much kneaded" eraser. Non-abrasive. Does not smudge or smear. Cleans deeper than kneaded erasers.
Magic Black Eraser GBS-18 - Ideal for erasing charcoal. Also works on colored pencil. Doesnt show "dirt" from erasing. Non-smearing, non-abrasive.
Kneaded Eraser - This kneaded eraser molds into any shape you want. Excellent for use on pencil, charcoal and chalk. You can also use it for shading and blending.