Black powder coated steel.
JT and JL option are only available for halogen style tail lights and are not available for the LED style tail light w sensors.
YJ, TJ, and JK attach using stock hardware. JL and JT (halogen) attach using included double sided adhesive.
The company is amazing at communicating with me for all my custom pieces, this is the 1st one of many I have gotten and just like all the rest I'm BLOWN away!! On a Gladiator it basically 3m tapes to the light but uts holding up very study in rain, snow and car wash so far..definitely recommend!!
Better than I imagined! Thank you so much????