Specification: Model:RZ-DJ1-D102 Name:Aluminum Road Marking Reflector,Road Studs Material:Aluminum Size:150*150*25mm Nail:54mm*Diameter 32mm Weight:620g/pc Reflector:red,green,white,yellow Beads on reflector:plastic Anti-pressure ability:About 20T. Applications of road stud. – Commercial . New Heavy Duty road stud reflectors On Discount