B&P Lamp Black Acorn Style Early Lamp Plug Black Acorn Style Early Lamp Plug Acorn Embossed lamp plug with acorn and oak leaf motif An exact replica of an early electric plug, Measures 1 1/3" diameter, 2/3" heigheight Comes with in Measures 1 1/3" diameter, 2/3" heigheight Comes with insulator and polarized prongs