Pentel® Super Hi-Polymer Lead Refills, 0.5mm, HB, Black, 30/Tube

Super Hi-Polymer® lead refills resist breaking and are super strong. They provide smooth, uniform marking for your everyday writing and with reduced smearing. HB lead refills are guaranteed to scan on standardized tests. Lead Degree (Hardness): HB; Lead Color: Black; Refill(s) For: For Most Refillable Mechanical Pencils; Lead Diameter: 0.5 mm.