Gateron G-PRO Black - Linear 2mm Pre-Travel 4mm Total Travel 60g Actuation Pre-lubed For Hot Swap Mechanical Gaming Keyboards & DIY Custom Keyboards. Linear: for fast, responsive gaming ; used by some of the world's best gamers Plate mounted switches ; High compatibility 3-pin design SMD & PCB LED Compatible Switch Remover / Puller Included! Professional competition grade, Pre-lubed for a perfect and smooth actuation