Product information:

Description:

Made by third-party in China
3D Button Analog Sticks Controller Thumbstick Replacement Parts for NS Switch
If your analog switch is broken or sloppy it is repairable
This analog is exact spec as the original one on the Nintendo Switch controller
Tested ok before shipped out.

Items: 

3D Button Analog Sticks Controller Thumbstick Green Cable Parts for NS Switch – Blue