Gateron Ink v2 Pre-lubed Series Switches--New upgraded Enhanced pins version. ^^ This is a new type of Ink black switch, which adds a wall structure to the ordinary ink black, making it more stable. ^^ 5 pin switch, support 2 pin 3mm, 4 pin light, and non-protruding SMD light ^^ Gateron ink black v2 Switch is smooth, stable, and quick to rebound. ^^ These switches are packaged in OEM individual plastic trays in a box that keeps them safe from damage.