Mystery tool

[deveng]

Anyone ever seen one of these? I don’t know what it is

 

[scott2000]

Google Lens says pencil hardness tester?

https://www.aliexpress.us/item/3256...martRedirect=y&gatewayAdapt=glo2usa4itemAdapt

 

[deveng]

Wow that was fast! Looks like you are right!

 

[Whoops]

Google Lens says pencil hardness tester?

I didn't know about Google Lens,
didn't know that such a tool existed.

Thank you so much for that, it will be for sure a very useful tool to use in the future

Best regards