About detail: Compatible with TCL 55" CLASS 4-SERIES 4K UHD HDR ROKU SMART TV -55S423 Compatible with TCL 50" CLASS 4-SERIES 4K UHD HDR ROKU SMART TV -50S425 Compatible with TCL 55" CLASS 4-SERIES 4K UHD HDR ROKU SMART TV -55S421 Compatible with TCL 50" CLASS 4-SERIES 4K UHD HDR ROKU SMART TV -50S421 Compatible with TCL 40" CLASS 3-SERIES FHD LED ROKU SMART TV -40S303Feature: A. No need to drill holes: You don't need to drill holes to hold your tv, just use the tv stand legs to hold your tv on your TV cabinet or other desk for that. B. 6 minutes to install: 1.Lay the TV flat on the table or desk where is stable and balanced2.Match the tv stands (screw holes) with the bottom of tv (the part that connect with the tv stands), put the screws to connect with tv stands and the tv, screw them tight, 3.place the tv well after install the tv stands well. Just need 3 steps in 6 minutes, quick and easy to finish. (Note: one tv stand leg with 2 screws to install, please feel free to contact with us if you are confused) C. Tough to use: High quality ABS, safety and stability to hold your tv after install well, tough to use for long time.Colour: BlackPackage included: 2 x tv stand legs for TCL stand legs 1 x screw set(Note: not included the instruction)