Collective Minds Trigger Grips for Xbox One FIRE FASTER - Adjustable throw mechanism engages the trigger instantly ELITE CONTROL - Perfectly engineered to eliminate trigger pull latency COMFORT - Rubber finish provides Silky smooth feel without increasing the size of the controller BONUS - 8 Thumb Grips ( 2X 9mm convex, 2X 8mm concave, 2X 15mm FPS concave, 2X 15mm FPS convex)