1. Material: titanium steel 2. Treatment process: electroplating 3. Mirror polished, reflecting dazzling light 4. Anti-oxidation and anti-corrosion 5. Not easy to be allergic, not easy to fade 6. Weight: about 3.4 grams for a single row; about 6 grams for a double row 7. Dimensions: single row width 4 mm; double row 8 mm
