Size 6 BF14k nib unit with ebonite feeder.
Tip sizes available: EF, F, M, B or Stub 1.1
Finished in plain Gold, Rose Gold, Rhodium or Ruthenium plated.
ATTENTION: this is not the standard Jowo nib unit, this has different housing with a thread measure M8.5x0.5, a drawing with dimensions can be found in the las picture of the gallery in this product.