Westinghouse Lighting  70151 Corp Nipple, Zinc Plated, 6-Piece The product is 6Pc 1/4Ipt Zinc nipple Easy and simple use kit The product is manufactured in china 6 Piece 1/4" Iron Pipe Thread Zinc Plated Lamp Nipple Includes 2 Each Of 3/4" 1-1/2" & 2"