This classic box chain comes in 10k rose gold and has a width of 0.45 millimeters.
Product Details:
Chain Information : 
|  Metal :  | 
 10K Rose Gold  | 
| Chain Type :  | 
Box | 
| Clasp :  | 
Spring Ring | 
| Width :  | 
0.45 mm | 
Approximate Weight:
| Size | 
Weight | 
|      16 | 
    0.6  grams  | 
|     18  | 
     0.7  grams  | 
|     20  | 
     0.8  grams  |