Designed for precision in pipe welding, the Two Hole Pins Magnetic Medium from Flange Wizard are an essential tool for any professional or DIY enthusiast. These innovative magnetic standard pins are engineered to self-align with holes ranging from 1/2" to 1-7/16" in diameter, making them ideal for flanges with thicknesses between 5/8" and 1-1/2". Manufactured in the United States, these layout tools not only enhance accuracy but also streamline the welding process, ensuring that your projects are executed with the utmost efficiency and reliability.