Pentel C27BPHB3K6 Super Hi-Polymer Lead Refills, 0.7mm, HB, Black, 30 per Tube (Pack of 3 Tubes) Triple Threat: #1 selling lead, Industry Standard, Stronger than competitors Resists breaking Equivalent to a #2 pencil and guaranteed to scan 0.7 mm medium lines 90 pieces of lead - 3 tubes of 30 pieces