This is the Akko x Gateron Collab switches The switches came factory-lubed Akko x Gateron Yellow is slightly heavier than Gateron Pink, and provides smooth typing experiences out of box. Type: Linear Operating Force: 50gf ± 15gf Total Travel: 4.0 - 0.4mm Pre-Travel: 2.0 ± 0.6mm Tactile Position:N/A Tactile Force: N/A