Pentel Super Hi-Polymer Mechanical Pencil Lead Refills， 0.7mm Medium， HB， 144 Leads[Product Information]- Enter your model numberto make sure this fits.
- HB lead is guaranteed to scan for tests.
- Smooth and uniform marking with reduced smearing.
- Compatible with most refillable automatic pencils.
- Won't damage paper.
- 12 HB leads in each tube
