Super Hi-Polymer Lead Refills 0.5mm 0.7mm Hb Black 30/tube 6 Tubes/pack 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.