Built-In Level Design: The Two hole pins have a built-in level, so you don't need to prepare a separate level, which makes it quicker and more intuitive to check if the flange is level. Easy To Use: The two-hole pin set is quick and easy to use, because are ergonomically designed and individually inspected, can bring convenience to your work. High Quality Material: Our products are made of high-quality aluminum with anodized black oxide, which makes the it more and lasts for a long time. The thread is also precisely machined and can be perfectly aligned with the pipe flange. Perfectly Positioned: If you are working on a piping project and you need two-hole pins to align your flanges. Our two-hole pins are very suitable for ½Inch - 14Inch ASME 150LB flanges., Weight: 0.73083239853 Pounds, Manufacturer: Gishbjka