... in night time, especially in inclement weather or on unfamiliar roads. Material: Bearing surface is mainly PC and PET, internal have ABS, ... to two years for a conventional reflective studl Low cost, In comparison with the cost and trauma of a fatal road accidentl ... poolEasy installation, drill the hole according to the road stud, put the stud and the glue, and get dryApplication Area:l Delineate ...