GRAF VON FABER-CASTELL Classic Pernambuco Propelling PencilThe unusual combinations of wood and fine metals bestow a special position in the market upon the GRAF VON FABER CASTELL Classic Line propelling pencils. The Pernambuco wood is a precious wood normally used for violin bows. Over time, the wood surface means every pen becomes personally unique. The elaborate multi part clip holds it safely even after years of use. There is a place to store spare lead and a replaceable white eraser under the end cap.