Pentel® Super Hi-Polymer Lead Refills, 0.5mm, 0.7mm, HB, Black, 30/Tube, 6 Tubes/Pack

Stock up and save! With two lead diameters, you can cover both of your favorite pencils with one super-strong Hi-Polymer® refill. Each lead provides excellent break-resistant performance and smooth, uniform marking with reduced smearing. Pentel® HB lead also is 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; 0.7mm.