... Stud,Aluminum road marker,Aluminum pavement markers: Exceeds the standard of ASTM D4280 and EN1463-1 Aluminum Road Stud,Aluminum road ... marker,Aluminum pavement markersExceeds the standard of ASTM D4280 and EN1463-1Size: 103x103x22mmStem: 50mmCrust: AluminumLoad capacity: ... /green etc.Photometric values: double or three times the standard of ASTM D4280 and EN1463-1