... approved) lamp holder: E27/E14 size :4",5",6",8" Spot light (CE,ROHS approved)Material:Ironcharacteristic:Iron ring and two brackets ... cold-rolled steel, stamping into shape, solid and durable structure,2. Its surface is processed with static coating or introduces hard ... , which makes it strongly oxidation resistant with high reflectivity.2. The light frame is made of imported 0.6-1mm steel plate ...