WeldingCity 10-pcs Titanium ERTi-2 (Grade-2) Commercial Pure TIG Welding Rods 0.045"x36" Titanium ERTi-2 (Grade-2) Commercial Pure TIG Welding Rods 0.045"x36". 10-pcs Package. AWS Spec. A5.16, Class ERTi-2 Wire diameter 0.045"(1.2mm) You get 10-pcs of Titanium ERTi-2 (Grade-2) TIG welding rods 0.045"x36" at this price. Please provide a US Postal Service (USPS) deliverable address.