If you work with pipes, you know how frustrating it can be to align flange holes - well, these kingsea pins make it a breeze! Made from high-quality 6061 aluminum with a durable black anodized finish, these pins are lightweight but tough, resisting corrosion and rust for long-lasting use. The 1-1/8\ two hole design is removable to fit different lengths, and they're compatible with ASME 150LB flanges from ½\ all the way up to 14\. Just slide them through the flange holes and you get perfect alignment every time, making bolt installation so much easier. No more struggling with misaligned holes or damaged threads. Whether you're doing maintenance, new installations, or repairs in industrial, plumbing, or mechanical applications, these pins will save you time and frustration. They come as a set of two pins, ready to go right out of the package. Seriously, if you work with flanges regularly, these are worth their weight in gold for making your job smoother and more efficient.