EpicGear Defiant MMS Mechanical Keyboard-Grey MMS - Modular-matrix Structure, easy unplug and plug-in of modular key switches Mix-and-match EG Grey, Orange & Purple switches on one keyboard Easy cleaning and replacement of switches Using the EG Keycap & Switch 2-in-1 Puller, designed specifically for the MMS switches, for easy removal of keycap and switches. Selection of keyboard add-on accessories for individual gaming needs