Hello

unfortunatly i broke this component : https://i.imgur.com/lddGYP2.jpg

the quality was maybe not the most expensive but not even a chinise product...i have find it for example :
https://it.aliexpress.com/item/100500331...23014241_1 

but where i could find one replacement but one of good quality ?

Torx bits are standard screwdriver / power tool item so any normal local DIY / hardware shop should have one of those in store. It will way quicker to just get one of those locally than wait 3 weeks for one to be delivered from China and which will probably be made of cheese.

I got this from the local wal-mart.

https://www.walmart.com/ip/Hyper-Tough-4...&gclsrc=ds

It has all of the drivers I need for my planes and my quads, certainly you have a local box store which has them.

If quality is the main factor and don't mind spending some $ ... search for Wera Kraftform Micro. They are exellent.