Did you know the Blackwing 602 was favored by famous writers like John Steinbeck? The Blackwing 602 is ideal for writes and everyday users. Firm, dark lead holds a point like few others. Our refill pack for the Twist Bullet Pencil includes six ready to go nubs, just slide in and twist them tight. Select your pencil nub type in the dropdown box (Blackwing 602 - gray, Blackwing - black or Blackwing Pearl - white). Special request? Just add it in the order notes.