Material: Ceramic+PlasticPackaging: 1pcColor: WhiteSize: diameter 22mm, top (excluding GU10 feet) 14mmPurpose: Used to connect GU10 socket lamp holder with MR16 (G5) or G4 or GY6 pin lampsCompact, mushy to carry, and broad applicability lamp holders would be switched over into MR16 lamp holders to realize interchangeability of different forms of bulbs, offering extra options and flexibility materials is durable and has an extended service life, which might stably help the operation of the sunshine bulb for a long time, lowering the frequency and value of fixing the lamp holder:Due to guide measurement, please allow an error of 1-3mm. Please be certain that you do not intellect earlier than bidding to the differences between various monitors, the pictures might not reflect the particular color of the item. Please refer to the actual image received. Thank you very much.