Schmidt High Polymer Leads deliver precision and reliability for discerning users. These 0.5MM HB refills offer consistent line weight and smooth writing performance, ideal for technical drawing, note-taking, and everyday writing. High polymer construction resists breakage and provides extended lead life compared to standard alternatives. Each pack contains 12 leads, ensuring you're well-stocked for months of uninterrupted use. Compatible with our 0.5MM mechanical pencils.