**｜ Dimensions ｜** Products are taken in-kind Detailed size: outer diameter: 24.3mm / inner diameter: 19.1mm / lightning length: 18mm Dimensions are manually measured, please forgive me if there are errors **｜ Product material ｜** Material: titanium steel 316L The 361 titanium steel used for the scalpel has good corrosion resistance and bright appearance, which is harmless to the human body. Allergy-resistant special steel, model 316L **｜ Other Instructions ｜** Model: dbss512 Color: Silver / Black Weight: 5g **｜ Product Packaging ｜** The products purchased in the design hall are all exquisitely packed. In addition to their own use, they are also very suitable for gifts. https://live.staticflickr.com/65535/47574104802_a601e91490_b.jpg **｜ Maintenance Instructions ｜** 1. Regularly wipe with a soft cloth or soft brush 2. Do not wear while doing housework, bathing, and exercise 3. Do not allow children to play and swallow 4. Avoid contact with sharp objects and chemicals The occurrence of scratches or oxidation in the air is a natural law that cannot be avoided. The traces left by the wearer on his jewelry belong to his unique memory. Please don't stick to "never wear", just give your jewelry more love and protection.