Model Number - U05202NDC.6 The color of the leads when a sharp and like black for sharp leads and an eraser and erase with ease. "The Wrong places can be red with writing, then erase and repeat when you need a study such as".. Also includes 1 leads per approximately 4 billion nano diamonds to make a formula that can be is dark and smooth writing taste and... Pack of 20. Size: Height = 76 mm Width = 20 mm thickness = 7 mm. Item Color Trend: Green.