1.Grade: Gr2
2.Certificate: ISO9001:2000
3.Fit for 14mm and18mm female joint
4.If you have a Ti nail, the very first thing you should do is get it red hot and let it cool down several times to build an inactive alpha case layer on the surface.
Titanium by itself is highly reactive when heated and until you build the alpha case, you will definitely taste the hot Ti.