Types of Pencil Lead

I suppose the Internet exists so that someone can write a blog post about types of pencil lead. I guess I am not the only one!

• https://pencils.com/hb-graphite-grading-scale/
• https://www.jetpens.com/blog/the-best-lead-grade-for-every-application/pt/475
• https://cwpencils.com/blogs/news/131980803-beginners-guide-to-pencil-shopping-a-guide-to-grades

Whether I am drawing a comic or an illustration, I generally start with a 0.7 mm HB or a Staedtler Norica woodcased pencil.