Easybulb B22 to E27 converters are made of metal and heat resistant PBT plastic (polybutylene terephthalate, melting point 223°C, plasticity at 125 °C). Some items utilise ceramics for certain parts. All items below meet European electrical regulations and have CE certification.

Please note that the listed one is different from the long one in the picture below:

Please note when ordering the male refers to the part that will be inserted into your lamp/luminaire socket and the female is referring to the part that will take the light bulb whether it be incandescent, low energy halogen, CFL compact fluorescent lights, or the latest LED/SMD bulb replacements.
B22 Male to E27 Female adaptor, is to allow the easybulb Edison screw E27 light bulb to be used in the Bayonet B22 socket of your lamp/luminair.
