Classic mechanical pencil featuring an all-metal body and original Otting design. Writing and drawing without fatigue is ensured by the hexagonal barrel. Lead hardness grade indicator. Technology for rotring pencils For accurate lead advancement, rotring brass mechanism is used. Sturdy lead guidance sleeve that keeps breaks from happening while providing a clear view of the page for accurate ruler-based drawing. Metal barrel with ergonomic design The complete metal body offers the perfect weight-to-feel ratio. Writing and drawing without fatigue is ensured by the hexagonal barrel. designed to stop the tool from rolling around on tables when it is placed down. Lead hardness grade indicator for quick identification while at work. features a silver finish and a 0.5 mm lead capacity.