A Faber-Castell Fibreglass Eraser Pen Refill, is a replacement insert for the Faber-Castell fibreglass eraser pen. The fine glass fibres provide controlled, abrasive erasing for removing ink, Indian ink, pencil and other stubborn marks from suitable surfaces. Ideal for precise corrections in technical drawing, illustration and drafting, as well as cleaning small areas where a conventional eraser is not effective.
