Speedball Round Pen Nibs B-0 box of 12

For Gothic or Outline letters, cartoons, uniform line drawings, borders and display posters. Pen sizes decrease as numbers increase, B-0 being the largest and B-6 the smallest. Pen holder sold separately. Use with Speedball No. 9451 Pen Holder , General's Cork Grip Pen Holder , Koh-I-Noor No. 130N Crow Pen Holder , or Speedball Classic Pen Holders . Set of 6 includes one Speedball penholder and six B style pens.