Highway guardrail post cap also called guardrail rain-proof cap.It is one of the essential

components for guardrails. If there is no post cap,it will save a lot of rain in the inner post

after heavy rain.Moreover,it is difficult for the rain to evaporate.If this happened, it will

corrode the post severely, and it will greatly reduce the life of the highway guardrails.There

are a variety of sizes for the guardrail post cap.The post cap size could be made according

to the size of the guardrail post. 

we are a reputable Manufacturer specialized in Highway Guardrail (also named crash