1) Material: titanium 2) Grade: Gr1, Gr2, Gr3, Gr4, Gr5, Gr7, Gr8, Gr9 ... of OriginChina (Mainland)Brand Name Model NumberERTi-1, ERTi-2, ERTi-3, ERTi-4, ERTi-5/ELI, ERTi ... KGSDensity4.51g/ccCertificateProvided with materialSizeas requestedERTi-1 titanium wire:Grade: ERTi-1, ERTi-2, ERTi-3, ERTi-4, ERTi-5 ... condition & available size: Core wire in coil size: 2.0mm, 2.5mm, 3.2mm, 4.0mm, 5.0mm, 6. ...