eXtremeRate L2 R2 Buttons Extention Trigger, Soft Touch Grip Extenders, Game Improvement Adjusters for Playstation 4 PS4 Pro PS4 Slim Controller (1 Pair) (Blue Black) Compatibility Model: Check the second picture of the listing before purchase. You need to take apart your PS4 controller and check the mainboard model. This product is compatible with PS4 controller JDM-001 JDM-011 JDM-040 JDM-050 JDM-055; It does not fit for JDM-020 and JDM-030 Increase Speed: Help to hit the L2 and R2 buttons fairly easily; Increase the button response for games, make you shoot insanely fast Comfortable Feel: Perfect for people with big hands; Rest your fingers; Helps with trigger grip and ergonomics Package Includes: 2 pcs blue black trigger extenders. Easy click on and never come off. Get installation video guide on Youtube by searching "Extremerate PS4 Pro Trigger Extender" Great Addition: Makes your controller stand out from the crowd; Great smooth triggers, soft in finger and feels silky; Anti slip, sweat free for a long period game playing