Road Studs BY HIPHEN SOLUTIONS Ad details (1)Fiberglass-reinforced plastic shell with compression resistance over 16 tons. (2)The Plastic road stud-43 glass bead reflector can be fixed onto the road by an anti-twist stem as well as glue for extra stability. (3)Resistant to corrosive effects of salt and grit. (4)Excellent reflectivity equal to the intensity o...