Rotring 600 - the original. High-quality material construction: all-metal casing in a classic hexagonal design. Machined grip area for a secure hold and an extremely comfortable writing experience. Hardness grade indicator for quick determination of the lead hardness - just a glance is enough to find the right fine mechanical pencil among your other writing instruments. With an integrated eraser in the push button. Refillable. Equipped with Hi-Polymer HB leads. Ideal for writing, drawing, and sketching.