medium sized two hole flange pins. 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 Features: 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 various equipment, Weight: 3.25402298712 pounds, Manufacturer: Awwertse