DESCRIPTION This hexagonal brass pencil lead box is for storing lead of the mechanical pencil. It’s suitable to store leads of 0.3, 0.5 and 0.7mm.This lead box can prevent those leads from breaking. SPECS Material：Brass Specs：16 X 16 X 88 mm USE&CARE This lead box is designed to carry leads shorter than 63mm, which is normally being used for 0.5mm/0.7mm/0.9mm mechanical pencil. It does not fit for leads used by sketching pencils. 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 owner. Please experience and enjoy this one-of-the-kind beauty of brass.