Jun 21, 2022 · Cast Aluminum Solar Road Stud For Truck-Nokin Motorway Road Studs 1.Die-aluminum body. The original cat eyes road stud was with a plastic body, but for led solar road stud, the die-cast aluminum road stud is the main trend which It has the characteristics of anti-aging,anti-corrosion,anti-ultraviolet rays, etc., its compression resistance is stronger than plastic road studs and