Empty Shell for 125KHz RFID T5577 Transparent Coin. You will need RFID copier to program your own.

Print 2 of the same. Add the empty coin RFID and glue them together to make the tag. Print them in any color or use one of my colored models.

Printed with 0.2 nozzle@0.1mm

used theese to put inside https://www.aliexpress.com/item/1005005236207612.html?spm=a2g0o.order_list.order_list_main.17.7ee75c5foOU3HK