Tempered Glass Solar Road Stud For Road Safety Glass Road Stud - Road Studs Supplier - RoadSky Application: Glass road stud is used at Parking lots, Curves and on Highways. 1.Drill a hole, the diameter of 100mm, depth of 24mm, and clean it. 2.After the adhesive dries, pour in right amount of epoxy resin or asphalt glue. 3.Put glass road studs into the hole, then spin it
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