Sigma's squeeze connectors are used to terminate FMC/RWFMC to a 3/4-in knockout in a dry location box or enclosure. These die-cast zinc connectors are equipped with a tri-combo screw and are suitable for aluminum or steel cable and conduit. Terminates FMC/RWFMC to a 3/4-in knockoutFor 3/4-in steel FMC/RWFMCFeatures tri-combo screwZinc die-cast constructionProduct is UL and CSA listed