The Pentel Super Hi-Polymer Lead Refill 0.5mm is a top-quality refill lead designed specifically for 0.5mm mechanical pencils. This lead is equivalent to a #2 pencil, ensuring it is perfect for all your writing, sketching, and drawing needs. The Super Hi-Polymer HB lead is guaranteed to scan on tests, making it an ideal choice for students and professionals alike. One of the standout features of this product is its durability - it resists breaking and never needs sharpening, providing you with a smooth and consistent writing experience. Each tube of this lead is made from 100% recycled plastic, making it a part of the Pentel Recycology line of products. This commitment to sustainability, coupled with its high performance, makes the Pentel Super Hi-Polymer Lead Refill the #1 selling lead in the world.