Features: 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.- 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 Our two hole pin set be the perfect choice for those that are looking for an affordable option for medium sized two hole flange pins. The set includes two hole pins of different sizes (1-1/8 inch and 1-5/8 inch), offering flexibility for multiple mounting scenarios and compatibility with equipment Our heavy duty two hole pin set are made from premium quality hardened 6061 aluminum, 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 Ideal for use in mechanical assemblies, automotive systems, and industrial