ROtring 600 Metal Mechanical Pencil, 0.5mm, Black Barrel, Perfect for Drafting, Engineering, Architecture Professionals

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