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, clear to carry, and large applicability lamp holders can be switched over into MR16 lamp holders to achieve interchangeability of other sorts of bulbs, providing more suggestions and adaptability material is durable and has a long service life, which may stably assist the operation of the light bulb for a long time, decreasing the frequency and value of changing the lamp holder:Due to handbook measurement, please enable an error of 1-3mm. Please make sure that you do not intellect earlier than bidding to the diversities between varied monitors, the images won't reflect the particular shade of the item. Please refer to the particular picture received. Thank you very much.