A small tool to open counters!

the key can open counters with 6mm square key.

At the following address you can find the other key sizes:

Universal key: https://makerworld.com/en/models/456859#profileId-364804

6mm square key: https://makerworld.com/en/models/456886#profileId-364818

7mm square key: https://makerworld.com/en/models/456892#profileId-364826

8mm square key: https://makerworld.com/en/models/456897#profileId-364841

Happy printing!