The Ystudio Classic Mechanical Pencil features solid brass barrel with a copper cap. The idea of hexagonal shape comes from pencil and it provides a good balance and stability in your hands. It's an exquisite and countable tool while you are working or in leisure time. Use & Care The color of brass would be changed by different users and various environments yet this is also its unique feature. The oxide is harmless. It would restore its original luster by wiping with copper oil. Without any surface treatment, we hope each product can maintain its individual marks by the constant use of the owner. Please experience and enjoy this one-of-the-kind beauty of brass. Specification Brand Ystudio Product Type Mechanical Pencil Body Material Brass, Copper Size 8.5 × 9.5 × 160 mm Leads 0.7 mm
