Pentel Super Multi Eraser: Remove brush marks and printed letters from an oil-based ballpoint pen and erase the paper surface. Sand removal type with little damage to paper. ◆Tombow Pencil Mono Eraser for Ink: Eraser for erasing writing on a ballpoint pen or printed text. Non-PVC eraser made of natural rubber, stone powder, and erases the writing by drawing the ink into the paper.