Square manhole cover and frame

Square manhole cover and frame

Specfication:600*600*30mm 

both color and size can be customized at specfic requirment

Features

1. The patterns is nonskid and the stainless steel screwlock is anti-theft
   

2. The handle hole is waterproof

3. Light weight 

4. Super corrosion resistance ,wear resistance

5. High strength,low price ,convenient installation and maintenance