Alps SKCC Lock
|Family||Alps SKCC series|
|Switch type||Alternate action|
|Sense method||Metal leaf|
|Keycap mount||Cruciform stem|
|Switch mount||Plate mount|
There is no internal spring, since the space is occupied by the lock mechanism.
No tall version appears to exist, as Apple keyboards with tall SKCC switches still used lock switches with short stems, with the difference in height accommodated via special keycaps.