Box of 4 rectangular Milan natural graphite bars 7x15x150mm

• Natural charcoal made from alder wood burned at high temperatures.
• Their canes are boiled prior to the preheating and burning process in ovens at high temperatures.
• The resulting charcoal is an irregular grayish-black stick that produces a dark gray line.
• Rectangular shape size: 7x15x150 mm.
• Contains 4 units.

Publisher: Milan.