Shruthi Parts (Buttons)

Hey, I lost a couple of the buttons on my Shruthi and looking for replacement buttons. Where can I cop these?

https://www.digikey.com/product-detail/en/e-switch/TACBLK/EG1081-ND/101331
https://www.mouser.fr/ProductDetail/E-Switch/TACBLK?qs=6C6BR4UgC3MHZOSFIIAQsw==