or just plain bombing

If you like drippy lines

To get extra protection

dry formula works well in combination with graphite

polyacetal core

caran dache fixpencil 2 mm textured grip Dmote or just plain bombingThe Caran d'Ache Fixpencil is the grandfather of all modern technical drawing instruments the world's first all metal mechanical pencil with precision clutch mechanism. Originally invented in Geneva in 1929 and commercialized in 1930. This 2mm edition features sandblasted textured finger grip for slip free control. Lightweight hexagonal aluminum frame prevents rolling off sloped desks. Hand assembled in Switzerland with lifetime reliability. Finished