Item: Matias linear switches for Model 01
A bit more about the item, including a few pictures:
Matias linear switches (red) 136 pieces
See the picture and the description here: Matias Quiet Linear Mechanical Keyswitches
As a bonus you will get a Kalih switch tester from kono store (see the first picture)
That is not ALL. You will also get 2 Matias tactile (grey) switches.
They were part of my keyboardio model 01 keyboard.