B&P Lamp 3/4" Dia, Brass Gas Cap, Blind. Tap 1/8F X 3/8F 3/4" diameter Brass Gas Cap Blind Tap 1/8F X 3/8F, Brass Gas Cap Blind (not through), 3 Brass Gas Cap Blind (not through), 3/4" diameter, 3/8" height, Tap 1/8F X 3/8F, Unfinish