8020: Synthetic rubber bevelled eraser: more flexible and hard-wearing.Offers two erasing strengths: the pink eraser is flexible and can be used to erase a wide range of graphite pencil strokes from all varieties of paper and the blue eraser is abrasive,for a stronger erasing power. Size of eraser: 6.3 x 2.4 x 0.9 cm. 118: soft synthetic rubber oval eraser. Can be used to erase a wide range of graphite pencil strokes from alltypes of paper. Assorted colours: white, pink, green. Measurements: 6.3x 2.8 x0.9 cm.