This mechanical pencil lead from Pentel is great for all the small details. Resists breaking, never needs sharpening, and always produced a clear, dark line. Leads are available in two grades: 2B and 2H. 2B lead is softer and produces a darker line, while 2H lead is harder and produces a lighter line. 5 sizes are available, from 0.2mm to 0.9mm.
Compatible with all pencils that carry the corresponding lead size, but work especially well with the Pentel GraphGear Mechanical pencils. 12 leads per bottle.