... is 12mm-20mm, the plate with hot-dip galvanized;pole: iron material, inside & outside with hot ... stainless steel wires.lamp frame: iron material with hot-dip galvanized, outside spray paint.fixture: aluminum material, ... shade:1,High-pressure die-casting aluminum & hot dip galvanized2,Prismatic glass diffuser,featuring good transparency,heat resistance ... Charming new design high-pole lamp(TD-HP-0148)