1. Material: 304 or 316L stainless steel, or pure titanium;

2. Size: 11.0x3.0mm, width: 11.0mm, thickness: 3.0mm, inner hole sizes: 5#-13# US standard;
 
3. Top polish with shiny and brushed result;

4. Color plating: No plating, silver color;
 
5. Features: Interchange ring;
 
6. Decoration: None;
 
7. Parts and Components: None;

8. Packing: Common packaging, 1 unit with OPP polybag;
                   Special packaging, 1 unit with individual gift box, 200pcs packed by an outer carton;

9. MOQ: 100pcs each size;

10. Delivery time: 30 workdays;

11. Quality standard: High quality standard, eco-friendly, non-toxic and environmental friendly;

12. Warranty: one year or 12 months.