Buby nozzle:Buby nozzle is made of stainless steel and ruby by precise processing and combination. The rigidity of ruby is above than the level 9 and is just less than that of diamond. It is a single crystal and can be made with high brightness and cleanness. It can effectively protect paint film and long-term continual work to ensure the high insulation of wire coil suffers no hurt. FEATURES: High hardness,resistance to flexure,block and impact. Applied: Applied for wire coiling of various motors Work limit:d≧0.2mm D1≧0.7mm