The rOtring 600 Mechanical Pencil is an iconic tool meant for a lifetime of use. The full-metal body provides ideal weight balance for fatigue-free writing and drawing. Brass mechanism allows precision lead advancement and the adjustable lead hardness grade indicator helps for easy identification when working. This mechanical pencil is a hexagonal shape so that it stays where you want it. The fixed lead guidance sleeve prevents breakage and gives you a clear page view for precise ruler-based drawing. Excellent for frequent writing, drawing and sketching.