The NSI G-43 Bronze 1" Conduit Hub can be swapped onto any of the NSI bronze grounding clamps, providing a flexible adapter hub that swings 360 degrees to make alignment simple. The bronze hub is made from economical, high-quality metal to provide durable performance in a range of applications. Use this interchangeable hub to attach rigid conduit and ground conductors to pipes or conduit in professional environments. UL Listed 467 for Grounding and Bonding. Stock products you can rely on—stock NSI.