From Akko Official Brand Store.

45 Pieces a Packet / Brand New / In Stock.

Akko Custom Series (CS) switches are custom switches made to obtain more satisfying typing feelings based on user feedback with distinct characteristics. Apart from the more stringent quality control standard, one of the major differences between the Akko CS switches and the V2 switches is the spring. The progressive coil spring used in the Akko CS switch offers distinct and unique typing experiences.

Starfish

Type: Linear

Actuation Force: 50gf ± 5gf

Total Travel: 4.0 ± 0.5mm

Pre-Travel: 1.9 ± 0.3mm

Characteristic: Two-stage springs to offer different typing experiences.

Sponge

Type: Tactile

Actuation Force : 40gf ± 5gf

Total Travel: 4.0 ± 0.3mm

Pre-Travel: 2.0 ± 0.3mm

Tactile Position:0.3 ± 0.2mm

Tactile Force: 60gf ±5gf

Characteristic: Dual tactile bump (both when pressing and releasing)

Disclaimer: The switches come unlubed by the manufacturer.