Road stud name. ABS road stud, Aluminum road stud, Solar road stud, Reflective road stud, Cat eye road stud, LED road stud, Road stud aluminum, Plastic raod stud, Safety road stud. Road stud material. ABS, Aluminum, Plastic. Reflector of road stud. High quality PMMA reflector. Road stud size. 100x100x20 mm standard,103x103x23 mm standard