... of fin die are 5, 6.35, 7, 7.94, 9.52, 12.7, 15.88, etc. The collar high can ... most advanced manufacture equipment in the world (from Switzerland, Japan, Germany and Korea, etc.). Ensure all the parts ... 001mm and meet the exchange capability of the parts. 2. MaterialsThe materials all use the DAIDO, HITACHI and ... alloy steel to ensure the single time sharpens can use 30 million times and 15 years. 3 ...