Mars micro carbon 250
Staedtler 250 07 HB, HB, Gray, 0.0276" (0.7 mm), 12 pc(s)
Staedtler 250 07 HB. Hardness: HB, Writing colors: Gray, Thickness: 0.0276" (0.7 mm). Number of pencil leads per tube: 12 pc(s)