They have cherry mx style (as opposed to Kailh BOX) housings, so you should use a cherry mx style switch opener (they have four prongs). Many switch openers you buy will have both, like this one: https://drop.com/buy/kbdfans-x-ai03-2-in-1-aluminum-switch-opener
I like these switches. The housings are tight and didn't require films. There is minimal stem wobble, which is good as I haven't found a switch that completely eliminates it. The removable LED...
I'm a complete newbie. What type of keyboards/keys would be closest to the old IBM keyboards? I would appreciate recommendations. Ideally less than $150. Thanks.