There are 12 button click sounds, two of them are variations of the other sounds, one of them is click-and-beep style.
Softly versions are included, normalized at -21 dB, except for beep sound which is -30dB. Originals are at -9 dB.
All of them are separate/individual sound files in the zip file.
More button clicks:
Button Click 31 Tinplate Up And Down
Button Click 37 Tin Plate
Button Click 48 Glass
Button click 50-51-52 woosh style
Button Click Pack 02
Click and beep