Iibholithi zichazwe kwi-ANSI B1.13M yeBakala 6 g tolerances.Izinto zeBolt zihambelana ne-ASTM F568M yeKlasi 4.6.Izinto eziphathekayo zeebholithi ezixhathisa ukubola zihambelana ne-ASTM F 568M yeKlasi 8.83.iibholiti.Unyango lomphezulu luyakulandela i-AASHTO M232.
Ubungakanani obuqhelekileyo be-washer ngu-76 * 44 * 4mm, kwaye sinokulandela imidwebo evela kumthengi.
Kwi-reflector umbala uhlala umhlophe, obomvu, kunye notyheli, ungazixuba ngokwakho.
Iibholiti kunye namantongomane zijolise ekuqiniseni i-guardrail, iposi, i-spacer kwindawo enye.
Isibonisi sinokubonakalisa ukukhanya ngelixa abantu beqhuba imoto ebusuku, Ngaloo nto unokufumana lula umda we-guardrail.Inokuthoba ingozi yenzeke.
Umqa wetransekshini uzinzisiwe phakathi komqadi kunye nemiqadi emithathu.