Catalog number: U05202NDC.33 Features: ●Colored lead that can be erased with an eraser. ●Each lead contains 400 million nano diamonds, so it is less prone to wear and allows you to draw clear, dark lines. Specifications: ●Lead diameter (mm): 0.5 ●Lead color: Blue ●Total length (mm): 60 ●Lead size: φ0.5 x 60mm Material/Finish: ●Recycled resin case
