Koh-I-Noor Mephisto Mechanical Pencil Eraser Refills, White, 10 Per Pack (5035EBC.57) Erasers designed to fit in Koh-I-Noor Mephisto Mechanical Pencils 5035BC.5 and 5035BC.7 (sold separately) Erases cleanly and completely Easy to replace in pencil Pack of 10 erasers Legendary quality and craftsmanship and made in Czech Republic