Place of Origin: Shaanxi, China (Mainland) Standard: DIN Name: plain washer Certificate: DIN125 Grade: 4.8/ 8.8/ 10.9/ 12.9 Ect Brand Name: JI-TI Material: Titanium Finish: AS YOU WISH Size: M1-M10 Model Number: JI-TI DIN125 Product name: Pure Titanium Plain Washers with High Quality Surface treatment: Zinc Plated Polished or as you wish Color: Silvery, black, or customized