inferno features a vibrant red-on-black color scheme and the distinct spiral pattern that our best-selling fps freek vortex made famous. the comfortable spiral pattern adapts to the pressure you put on it, so the harder you play, the harder inferno works to keep your thumbs from slipping. inferno?s 10.1mm of added height increases the analog stick radial distance by 47%, which provides a range of motion increase of 135.5%. this gives you the ability to make smaller, more precise in-game movements, affording you the luxury of turning up controller sensitivities to maximum levels so you can turn on your opponents faster and gain the upper-hand.increased accuracy at medium-to-long rangerubberized concave surface for better gripproven to increase player kill/death ratioreduces wrist, hand and thumb fatigue