Amazon.com : Pentel Eraser and Lead Refill Pack for Mechanical Pencils - Super Hi-polymer Value Pack - 0.7mm 6 Pack of 30 Pieces – Pack of White Refills 3 Packs of 4 Erasers Each : Office Products
Pentel Mechanical Pencil Lead Refills Hi-Polymer - HB 2B 2H B 4B - 0.5 0.7 0.9mm | eBay