The Arlington GF864 1-1/4" to Flex Coupling is a die-cast zinc conduit fitting designed for transitioning between 1-1/4 inch EMT and flexible metal conduit (FMC) using a compression-to-screw-in connection. With a 2.1-inch diameter and 2.5-inch length, it ensures a secure and durable connection in electrical installations. UL and CSA approved, this USA-made coupling meets industry safety standards.