The small sterling silver discs are 9 x 1mm. The stamping and a fine gauge sterling silver ball chain are included in the price. 
 
Stamping options:
* one 2mm or 3mm UPPER case letter, or
* one 2mm lower case letter, or
* up to 2 - 2mm numbers, or
* one number & one letter.
 
Personalized items are final sale.