High-Quality Aluminum Construction: These two-hole dowels are crafted from premium 6061 aluminum alloy and anodized black oxide for enhanced durability and corrosion resistance. Precision-machined threads ensure perfect alignment with pipe flanges, making them ideal for long-term use in harsh environments. User-Friendly Design: Our two-hole dowel set is designed for efficiency, featuring an ergonomic design that simplifies the alignment process. Each dowel is individually inspected for ease of use and reliability, helping you streamline your workflow and reduce setup time on the job. Versatile Flange Compatibility: These dowels are designed for precise alignment and are compatible with ASME 150LB flanges from 1/2inch to 14inch. Whether you're working on small or large piping projects, our two-hole dowels provide the precision you need to ensure a perfect fit every time. Lightweight and Portable: These two-hole dowels are lightweight and compact, minimizing space in your toolbox. The eye-catching red color enhances visibility, making them easy to spot among other tools for increased efficiency. Color: Red Material: Aluminum AL6061 Package Contents: 4 * double-hole positioning pins