UNI Smudge Proof Leads 2B 0.7mm 40s

*Staining on the paper surface is defined as the spread of lead powder caused by rubbing after writing. Under certain conditions, staining is reduced by up to 50% compared to conventional products.
Differences in conditions such as lead diameter and hardness, paper type, and writing load will result in differences in staining reduction results
Clear and dark, yet smudge-resistant
The unique ingredient blend allows the lead powder to adhere strongly to the paper. It allows you to write clear, dark characters, and is resistant to rubbing, so your notes will stay clean after you write. This is the perfect lead replacement for making notes that you will look at again and again, as it prevents dirt from rubbing against other pages or touching your hands.