Be In Your Mind 13pcs L1 R1 L2 R2 Trigger Buttons & Spring & Screwdriver Replacement Part Compatible with PS4 Dual Sense Controller Replacement Controller Button : Amazon.co.uk: Outlet
2017 Full Set PS4 L1 R1 L2 R2 Trigger Buttons Replacement Buttons for PS4 Game Controller + 2 Springs Joystick Stick Caps Black - AliExpress
L1 R1 L2 R2 Trigger Button Replacement for PS4 Pro Dualshock 4 Controller - Walmart.ca
Ouitble button,Replacement Parts L1 L2 R1 R2 Button and 2 Springs for Playstation 4 PS4 Controller: Amazon.co.uk: PC & Video Games
How to fix a PS4 Dualshock 4 with sticky L1 & R1 buttons - YouTube