1/2ips Female Threaded - 1-1/2in Diameter x 1/4in H - Threaded Diamond Knurled Round Brass Nut - Unfinished Brass This diamond knurled round brass nut features a 1/2ips female thread for use with compatible 1/2ips threaded lamp pipe, nipples, and other lighting components. The diamond knurled exteri... See More