Rosetta Da Vinci 2.0 mm Lead Holder Mechanical Pencil, Black Rosetta Da Vinci 2 mm lead holder/mechanical pencil Pencil has brass barrel with knurled steel grip, and a sharpener built into the end cap Clutch mechanism advances the lead - push the cap to advance the lead For artists, architects, engineers - ideal for illustrations or technical drawing Pencil Length: 147 mm (approximately 5-3/4"); Diameter: 8.5 mm (11/32"); Weight: 17 g (0.6 ounces)