B&P Lamp No. 2 Size Oil Lamp Adapter - B&P Lamp No. 2 Size Oil Lamp Adapter, No. 2 size oil lamp adapter w/turned brass thread, unfinished, Comes with 1/8 IP nipple that is 5/8" long, Fits all of Lamp Supplys No. 2 collars and many old collars,. Features Include: No. 2 Size Oil Lamp Adapter, No. 2 size oil lamp adapter w/turned brass thread, unfinished Comes with 1/8 IP nipple that is 5/8" long Fits all of Lamp Supplys No. 2 colla, Comes with 1/8 IP nipple that is 5/8" long Fits all of Lamp Supplys No. 2 collars and many old col