1)Material:GR5 (Ti 6Al-4V). 2)standard: AMS 4928 3)surface:machined bright 4)Various sizes are available. 5)MTC offering TITANIUM RING Titanium has strong resistance to high and low temperature, rust, acid and alkali, making it applicable to a wide range of industries, such as medical, aviation, military, textile, sports, etc. We would offer you the AMS 4928 titanium rings with the highest ...