Features of 4''/ 5''square lighting pole: 
Steel Materials: Conform to ASTM-A 500 grade B: minimum yield strength of 46,000 PSI.
Welding: Welding complies with BS5135/EN40. All sharp edges and burrs are removed.
Finish: Parkerising & Being color powder coating.
Certificate: CE certificate.
Size (Height/Thickness):16'/20'/11Ga./7Ga. ; 25'/11Ga./7Ga. ;30'/11Ga./7Ga. ;35'/7Ga. OR customized.
Options:
1. Polycarbonate spring loaded cover;
2. 12 top holes with polycarbonate bushing;
3. Reinforced cast iron hand-hole with ground screw;
4. Easily secured base cover;
5. Special packing for safe shipping;
6. Hot dip galvanized Anchor bolts;