Material: Ceramic+PlasticPackaging: 1pcColor: WhiteSize: diameter 22mm, height (excluding GU10 feet) 14mmPurpose: Used to connect GU10 socket lamp holder with MR16 (G5) or G4 or GY6 pin lampsCompact, clean to carry, and broad applicability lamp holders can be switched over into MR16 lamp holders to achieve interchangeability of alternative forms of bulbs, offering extra suggestions and flexibility materials is sturdy and has an extended provider life, which may stably assist the operation of the light bulb for a protracted time, reducing the frequency and price of changing the lamp holder:Due to guide measurement, please allow an error of 1-3mm. Please be certain that you do not mind before bidding to the diversities between different monitors, the photographs won't replicate the actual colour of the item. Please talk over with the particular picture received. Thank you very much.