Two hole pins flange aligner is a tool that will allow you to align pipes so they can fit together both vertically and horizontally to the ground. It's essential to get some good working pins that's also durable because it could cause some serious problems if pipes get misaligned. That's where we come in and provide the best quality two hole pins flange aligners in the marketplace. With aluminum as the material and anodized black oxide finish, our products are the most durable,and ideal for ASME 150LB flanges from ½” – 14”.