Reflective Stud’S Road Stud Rate-Nokin Solar Cat Eyes Reflective Tempered Glass Road Stud Rate road markerSiglite KERB STUD (360 degree all-position To avoid the vibration during the testing process, so increase lading slowly, the rate of loading increase is maintain 49~68.6kN/min (5,000~7,000kgf/min).