rOtring pencil technology. rOtring brass mechanism for precision lead advancement. Fixed lead guidance sleeve preventing break and offering an unimpeded view of the page for precise ruler-based drawing. Comes in a black finish and holds 0.5 mm lead Ergonomic metal barrel. Full metal body providing ideal balance of weight and feeling. Hexagonal barrel ensuring fatigue-free writing and drawing. Shaped to prevent the tool from rolling when laid down on tables Lead hardness grade indicator. For a rapid identification when working. Lead hardness grade indicator to identify and adjust lead Lead hardness grade indicator to identify and adjust lead Comes in a black finish and holds 0.5 mm lead
