PTL 50-B Pentel super hi-polyme rlead refills, 0.7mm, B, Black, 12 lead per tube, 1 tube

Pentel Super Hi-Polymer Lead Refills, 0.7mm, B, Black, 12/Pack 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): B; Lead Color: Black; Refill(s) For: For Most Refillable Mechanical Pencils; Lead Diameter: 0.7 mm. Compatible with most refillable automatic pencils. Manufacturer’s limited lifetime warranty.Hi-Polymer Lead, 0.7 mm, Medium, B, Black