Titanium Tube Material: Pure titanium Gr1 to Gr5 , as buyer's option Size: at buyer's option. Titanium Tube Gr1, Gr2, Gr3, Gr4, Gr5 Length: 1m fixed or 3-5 meter unfixed, or some other length as customer's enquiry. Thickness: +/-0.02mm, +/-0.05mm, +/-1mm, +/-2mm, etc at customer's option Usage: industry, medical field, etc.