The Slip Connector is the universal joint of relining pipe. It allows you to give a smooth secure fit where the standard lengths do not come out exactly right. The non-slip end is the female end. The male end slips inside the next section of pipe as far as necessary to get a final fit. The 24-ga. Stainless steel slip connector is 9in diameter x 18in long and offers a full 14in of pipe length to work with.