430 eraser with hard protective cover, Silver series. Available in 4 colors that are combined with a silver finish: navy blue, yellow, pink and turquoise. 430: soft synthetic rubber square eraser. Can be used to erase a wide range of graphite pencils on all types of paper. Eraser size: 2.8 x 2.8 x 1.3 cm. MILAN erasers are manufactured in Spain since 1918.