Easy installation! Just open your PS4 controller， then just screw or snap in the new custom color replacement parts. Work exactly the same as the original button setDescription:- For PS4 Controller.- Unique Bullet Design that you could never find in official product.- High Quality Aluminum Alloy make it harder ， light and durable.- Coloring by Oxidation processing / Plating.Package include:2 x PS4 Thumbsticks