Pentel-Ain Stein Mechanical Refill Leads - 0.3mm - 2B - 1 Tube of 15 Leads

The Ain Stein leads feature a new formula that provides dramatic strength without sacrificing darkness or smoothness. These leads are about 10% stronger than existing Pentel leads thanks to a ceramic cell structure. Comes in a unique oval shaped tube with a convenient swivel top lid perfect for keeping your leads secure. Suitable for not only for general writing but also drafting, these leads can be used with all Pentel automatic pencils. Extremely resistant 60mm long lead with a line width of 0.3mm and lead hardness of 2B.