Bi-Directional Led Road Stud Wholesale For Driveway-LED Bi-Directional Led Road Stud Wholesale For Driveway LED Tail Lights | Custom, Bolt On, Black, Chrome, 2020-9-2 · So, LED tail lights are a definite upgrade for cars negotiating decaying urban streets, but they’re essential for 4x4 trucks and SUVs driven off-road.