The QcK heavy offers just the right strength to exactly the right places and supplies both E-sports professionals as well as leisure gamers flawless performance.The perfect mouse tracking From the best manufacturers for mouse sensors tested, optimizes the high fiber density and surface variation the tracking accuracy for optical and laser sensors with minimal friction.Underside made of rubber How many SteelSeries mouse pads, the QcK heavy a skid-proof lower surface made of rubber, so that when it is not playing and herrutscht.