Rotring Hi-Polymer 0.7mm Refill Leads HB
This professional-quality Rotring Hi-Polymer lead is made of an extra-strong formula. It is ideal for sketching, writing, drawing, and many other applications.
This case contains 12 pieces of 1.0 mm HB lead.
Rotring 1.0 mm lead is equivalent to standard 0.9 mm leads and works with 0.9 mm mechanical pencil. The name is a German distinction that recognizes that the 0.9 mm pencil lead diameter is actually closer to 1.0 mm.