B&P Lamp Unglazed Porcelain Medium Base Socket with 1/8IP hickey and 18 Inch Long Wire Leads - Keyless unglazed porcelain medium base E26 hickey socket with 18" 105 degree C leads, 1/8IP hickey, nickel plated copper screw shell, 1 1/2" O.D. x 2" height, 660W-250V. Features Include: Medium base (E26) unglazed porcelain socket with a nickel plated copper screw shell, Has a hickey that is tapped 1/8IP (3/8 inch diameter), Comes with two 18 inch long leads that are black and white and rated 105 degree C, Has a 1-1/2 inch diameter and 2 inch height, Rated 660W-250V and is U.L. and CSA listed