8020: Beveled Rubber Made Of Synthetic Rubber, Flexible And Harder. It Offers Two Erasing Intensities: The Pink Eraser Is Flexible, To Erase A Wide Range Of Graphite Pencils On All Kinds Of Paper, And The Blue Eraser Is Abrasive, For More Intense Erasing. Rubber Measures: 6.3 X 2.4 X 0.9 Cm. 118: Soft, Oval "Breadcrumb" Type Synthetic Rubber. To Erase A Wide Range Of Graphite Pencils On All Kinds Of Paper. Assorted Colors: White, Pink, Green. Measurements: 6.3 X 2.8 X0.9 Cm.