1.Two hole pins flange aligner is a tool that allow you to align pipes so they can fit together both vertically and horizontally to the ground. 2.Unlike other two hole pins that take a long time to right and are very difficult to use due to poorly finished edges, our aluminum hole pin set is quick and easy to use as the pins are ergonomically designed and individually inspected. 3.Our heavy duty two hole pin set are made from premium quality hardened Aluminium, so it's and lasts for a long time. It's also very accurate and precise as the pipe flanges be aligned perfectly. The threads are well-machined as well. 4.Easy to Use, Ergonomically Designed, High Quality Aluminum, Anodized Black Oxide Finish, , Light weight Construction., Weight: 0.39903669422 Pounds, Manufacturer: Hipzeepo