Cooper Crouse-Hinds Clamp offers enhanced protection to the conduit wiring systems from damage due to movements. It features heavy duty casting materials malleable iron construction to offer enhanced durability. The 1/2 in. coupling has an elegant zinc plating to offer enhanced durability and corrosion resistance. It has hot dipped galvanized. Clamp is used to support rigid conduit and IMC to mounting surface. It has RMC or IMC set screws to offer easy and convenient installation.