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, gentle to carry, and large applicability lamp holders could be converted into MR16 lamp holders to achieve interchangeability of other types of bulbs, providing more suggestions and adaptableness materials is durable and has a protracted provider life, which might stably help the operation of the sunshine bulb for an extended time, reducing the frequency and value of replacing the lamp holder:Due to steer measurement, please enable an error of 1-3mm. Please just be sure you do not mind before bidding to the diversities between various monitors, the images won't mirror the actual shade of the item. Please check with the actual picture received. Thank you very much.