BOBBIN HOLDER WITH FULL CERAMIC PIPE- 40MM LONG - FITTED THROUGH SOLID BRASS HEAD. BRASS FEET. FULL LENGTH 105 - 107MM. THIS BOBBIN IS THE TOP OF THE LINE FULL SIZED BOBBIN. THE CERAMIC PIPE IS NOT ONLY BEAUTIFUL BUT VERRY SMOOTH. ANOTHER GREAT ADDITION TO YOUR ASSORTMENT OF QUALITY FLY TYING TOOLS.