Material: Ceramic+PlasticPackaging: 1pcColor: WhiteSize: diameter 22mm, peak (excluding GU10 feet) 14mmPurpose: Used to connect GU10 socket lamp holder with MR16 (G5) or G4 or GY6 pin lampsCompact, clean to carry, and huge applicability lamp holders would be converted into MR16 lamp holders to attain interchangeability of different styles of bulbs, providing more recommendations and adaptableness materials is sturdy and has a long service life, which might stably assist the operation of the light bulb for a protracted time, decreasing the frequency and price of fixing the lamp holder:Due to handbook measurement, please enable an error of 1-3mm. Please be certain that you do not intellect earlier than bidding to the diversities between different monitors, the photographs will not mirror the actual color of the item. Please refer to the actual picture received. Thank you very much.