Rotring 600 black mechanical pencil 0.7 1904442 3501179044422 (10 sets)

Core diameter: 0.7mm Shaft diameter φ6 x length 142mm 22g Complete metal body provides weight and stability. Hexagonal shape that prevents rolling. Drafting compatible specifications. ◆With hardness display window ◆Guide pipe length: 4mm (compatible with drafting)