Lyvia LHRED3/8 Brass Reducer Lamp Holder, 1/2" Male To 3/8" Female Thread Reducer Adaptor\n- Solid BC Brass - Premium product.- For use with table lamps where the lamp holder entry needs to be reduced.- This adaptor reducers the thread size from 1/2" to 3/8".- Suitable for use on table and standard lamps and many more.\nLyvia LHRED10MM brass reducer lamp holder, this brass reducer will reduce a half inch thread to a 3/8" allowing different lamp holders to attach to different fittings and stands. Some lampholders come with a 1/2" internal thread but some table or standard lamps have a 3/8" hollow threaded tube. This is where this adaptor comes in useful. This adaptor reducers the thread size from 1/2" to 3/8". Brass thread reducer from 1/2" to 3/8" for use on table and standard lamps etc.\nFeatures:\n- Threaded Brass Reducer For Lampholders.- External Thread 1/2 Inch.- Internal Thread 3/8".- Reduces 1/2 inch to 3/8".- Type: Lamp Holder Adaptor.- Material: Brass metal construction.- Finish: Brass.