WeldingCity 10-pcs Titanium ERTi-5 (Grade-5) Commercial Pure TIG Welding Rods 1/16"x36" Titanium ERTi-5 (Grade-5) Commercial Pure TIG Welding Rods 1/16"x36". 10-pcs Package. AWS Spec. A5.16, Class ERTi-5 Wire diameter 1/16"(1.6mm) You get 10-pcs of Titanium ERTi-5 (Grade-5) TIG welding rods 1/16"x36" at this price. Please provide a US Postal Service (USPS) deliverable address.