rOtring Lead Refills Hi Polymer for Fine Mechanical Pencils 0.70mm B (12 Leads)

Amazon

Rotring hi-polymer leads and their extra-strong formula are a solid foundation for you to build on. Available in 2H, H, HB, B and 2B, these leads are professional accessories allowing for all sketching, writing and drawing styles and shades Box of 12 leads B grade 0.7mm lead

Brepen

Rotring hi-polymer lead and their extra strong formula provide a solid base on which you can build. These pens are professional accessories that enable all sketching, writing and drawing styles and shades.