The Pentel Super Hi-Polymer Refills in 0.5mm Fine and HB hardness are high-quality lead refills designed for pencils. Made in Japan by the reputable brand Pentel, these refills offer a long-lasting and consistent writing experience. With 90 pieces included in this pack, they provide ample supply for extended use. Perfect for office and industrial settings, these lead refills are a reliable choice for precise and detailed writing tasks.