Sold in packs of 25. 75 Switches will cover Sol, Zen, Pan, Mun
Boba U4 switches feature a silenced stem to reduce noise. The tactile feel is of medium intensity, with no pre-travel or post-travel. This has been described as a "D-shape" bump profile. The stems have a tight tolerance against the top housing to eliminate stem wobble.
Check out this in-depth review of standard Boba U4's by Theremingoat