Hi Folks,
Here are the parts you’re looking for :
-Encoders : https://www.mouser.fr/Search/ProductDetail.aspx?R=PEC11R-4215F-S0024virtualkey65210000virtualkey652-PEC11R-4215F-S24
-Knobs : https://www.mouser.fr/ProductDetail/Eagle-Plastic-Devices/450-BA600/?qs=%2Fha2pyFaduiwV0wHJgdE2qsR2pwgasI4WlnUI8Hkqo0%3D
Rotational life : 30000 cycles
Click life : 20000 cycles
They are indeed very usual parts.