... 3.0mm.· 6.Bar Width: 16mm.· 7.Stack height: 13.5mm, 15mm, 16.8mm are available.· 8.Opening angle ... nickel, 15.5% chrome), 202 (with 2.5 %nickel, 14.5 %nickel),201(with 1% nickel, 15% chrome).· 10.Be ... and good airproof when it is opened.· 13. Quality:high quality with satisfying price · 14.There are many other ... are interested in our goods,feel free to contact with us,we must try our best to meet ...