From your primary clicks, scroll wheel, and your side buttons- you’re covered for many years of intense gaming with Kailh GM 4.0 (lighter binned). Designed to game for long hours, your aim won’t weigh you down from winning. The PMW3360 is a proven state of the art sensor, praised for its reliability. The non-dyed 100% pure PTFE feet are .8mm rounded edges to provide a fast, yet smooth glide. GLHF.